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  1. Employees

Språkvelger

Norsk

Jens Oluf Andersen

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Jens Oluf Andersen

Professor
Department of Physics

jens.andersen@ntnu.no
+4746478747 Realfagbygget, D5-119, Gløshaugen, Høgskoleringen 5
www.nt.ntnu.no/users/jensoa/
About Publications Teaching Outreach

About

CV

Research interests

Quantum chromodynamics at finite temperature and density

Cold Bose and Fermi gases

Renormalization group methods

Effective field theory

Links:

  • My personal homepage

Publications

  • Chronological
  • By category
  • All publications registered in NVA

2025

  • Andersen, Jens Oluf; Nødtvedt, Mathias Pavely. (2025) Color superconductivity and speed of sound in the two-flavor quark-meson diquark model. Physical Review D
    Academic article
  • Zhou, Hua; Yu, Qing; Andersen, Jens Oluf; johnsrud, martin Kjøllesdal. (2025) Chiral perturbation theory and Bose-Einstein condensation in QCD. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; nødetvedt, mathias. (2025) Color superconductivity and speed of sound in the two-flavor quark-meson diquark model. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Johnsrud, Martin Kjøllesdal; Yu, Qing; Zhou, Hua. (2025) Chiral perturbation theory and Bose-Einstein condensation in QCD. Physical Review D
    Academic article

2024

  • Andersen, Jens Oluf; Yu, Qing; Zhou, Hua. (2024) Pion condensation in QCD at finite isospin density, the dilute Bose gas, and speedy Goldstone bosons. Physical Review D
    Academic article

2023

  • Andersen, Jens Oluf; Yu, Qing; Zhou, Hua. (2023) Thermodynamics and quark condensates of three-flavor QCD at low temperature. Physical Review D
    Academic article

2022

  • Andersen, Jens Oluf; Du, Qianqian; Strickland, Michael; Tantary, Ubaid. (2022) N=4 supersymmetric Yang-Mills thermodynamics from effective field theory. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Eriksson, Magdalena Britt; Tranberg, Anders. (2022) Stochastic inflation from quantum field theory and the parametric dependence of the effective noise amplitude. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf. (2022) Phases and condensates in zero-temperature QCD at finite μI and μS. The European Physical Journal Conferences
    Academic article

2021

  • Andersen, Jens Oluf; Eriksson, Magdalena Britt; Tranberg, Anders. (2021) Quantum corrections to slow-roll inflation: scalar and tensor modes. Journal of High Energy Physics (JHEP)
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf; Mojahed, Martin Aria. (2021) Quark, pion and axial condensates in three-flavor finite isospin chiral perturbation theory. European Physical Journal C
    Academic article
  • Undheim, Vegard; Nielsen, Alex Bentley; Andersen, Jens Oluf. (2021) First post-Newtonian correction to gravitational waves produced by compact binaries: How to compute relativistic corrections to gravitational waves using Feynman diagrams. NTNU NTNU
    Masters thesis
  • Adhikari, Prabal; Andersen, Jens Oluf; Mojahed, Martin Aria. (2021) Condensates and pressure of two-flavor chiral perturbation theory at nonzero isospin and temperature. European Journal of Physics
    Academic article
  • Andersen, Jens Oluf. (2021) QCD phase diagram in a constant magnetic background: Inverse magnetic catalysis: where models meet the lattice. European Physical Journal A
    Academic article

2020

  • Adhikari, Prabal; Andersen, Jens Oluf. (2020) Quark and pion condensates at finite isospin density in chiral perturbation theory. European Physical Journal C
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf. (2020) QCD at finite isospin density: chiral perturbation theory confronts lattice data. Physics Letters B
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf. (2020) Pion and kaon condensation at zero temperature in three-flavor [\chi]PT at nonzero isospin and strange chemical potentials at next-to-leading order. Journal of High Energy Physics (JHEP)
    Academic article

2019

  • Adhikari, Prabal; Andersen, Jens Oluf; Kneschke, Patrick. (2019) Two-flavor chiral perturbation theory at nonzero isospin: Pion condensation at zero temperature. European Physical Journal C
    Academic article
  • Folkestad, Åsmund; Andersen, Jens Oluf. (2019) Thermodynamics and phase diagrams of Polyakov-loop extended chiral models. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Adhikari, Prabal; Kneschke, Patrick. (2019) Pion condensation and QCD phase diagram at finite isospin density. Proceedings of Science (PoS)
    Academic article

2018

  • Adhikari, Prabal; Andersen, Jens Oluf; Kneschke, Patrick. (2018) Pion condensation and phase diagram in the Polyakov-loop quark-meson model. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Kneschke, Patrick. (2018) Chiral density wave versus pion condensation at finite density and zero temperature. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Gorda, Tyler; Helset, Andreas; Niemi, Lauri; Tenkanen, Tuomas V.I.; Tranberg, Anders. (2018) Nonperturbative analysis of the electroweak phase transition in the two Higgs doublet model. Physical Review Letters
    Academic article

2017

  • Adhikari, Prabal; Andersen, Jens Oluf. (2017) Consistent regularization and renormalization in models with inhomogeneous phases. Physical Review D
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf; Kneschke, Patrick. (2017) On-shell parameter fixing in the quark-meson model. Physical Review D
    Academic article
  • Husdal, Lars; Andersen, Jens Oluf. (2017) Viscous Phenomena and Entropy Production in the Early Universe. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Adhikari, Prabal; Andersen, Jens Oluf; Kneschke, Patrick. (2017) Inhomogeneous chiral condensate in the quark-meson model. Physical Review D
    Academic article
  • Jakobsen, Martin Fonnum; Andersen, Jens Oluf; Brauner, Tomas. (2017) A Soft-Limit Theorem for the On-Shell Scattering Amplitudes Describing Processes Involving Massive Nambu-Goldstone Bosons. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Helset, Andreas; Andersen, Jens Oluf; Brauner, Tomas. (2017) Dimensional reduction of the Two-Higgs Doublet Model with a softly broken Z2 symmetry at one-loop. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Adhikari, Prabal; Andersen, Jens Oluf. (2017) Chiral density wave versus pion condensation in the (1+1)-dimensional NJL model. Physical Review D
    Academic article

2016

  • Andersen, Jens Oluf; Naylor, William; Tranberg, Anders. (2016) Phase diagram of QCD in a magnetic field. Reviews of Modern Physics
    Academic article
  • Andersen, Jens Oluf; Haque, Najmul; Mustafa, Munshi; Strickland, Michael; Su, Nan. (2016) Equation of state for QCD at finite temperature and density. Resummation versus lattice data. AIP Conference Proceedings
    Academic article
  • Khan, Rashid; Andersen, Jens Oluf; Kyllingstad, Lars Tandle; Khan, Majid. (2016) The chiral phase transition and the role of vacuum fluctuations. International Journal of Modern Physics A
    Academic article
  • Andersen, Jens Oluf; Haque, Najmul; Mustafa, Munshi; Strickland, Michael. (2016) Three-loop hard-thermal-loop perturbation theory thermodynamics at finite temperature and finite baryonic and isospin chemical potential. Physical Review D
    Academic article

2015

  • Andersen, Jens Oluf; Naylor, William; Tranberg, Anders. (2015) Inverse magnetic catalysis and regularization in the quark-meson model. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Brauner, Tomas; Naylor, William. (2015) Confronting effective models for deconfinement in dense quark matter with lattice data. Physical Review D
    Academic article

2014

  • Strickland, Michael; Andersen, Jens Oluf; Bandyopadhyay, Aritra Aritra; Haque, Najmul; Mustafa, Munshi; Su, Nan. (2014) Three loop HTL perturbation theory at finite temperature and chemical potential. Nuclear Physics A
    Academic article
  • Andersen, Jens Oluf; Brauner, Tomas; Hofmann, CP; Vuorinen, Aleksi. (2014) Effective Lagrangians for quantum many-body systems. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Naylor, William; Tranberg, Anders. (2014) Chiral and deconfinement transitions in a magnetic background using the functional renormalization group with the Polyakov loop. Journal of High Energy Physics (JHEP)
    Academic article
  • Haque, Najmul; Bandyopadhyay, Aritra; Andersen, Jens Oluf; Mustafa, Munshi; Strickland, Michael; Su, Nan. (2014) Three-loop HTLpt thermodynamics at finite temperature and chemical potential. Journal of High Energy Physics (JHEP)
    Academic article
  • Haque, Najmul; Andersen, Jens Oluf; Mustafa, Munshi; Strickland, Michael; Su, Nan. (2014) Three-loop pressure and susceptibility at finite temperature and density from hard-thermal-loop perturbation theory. Physical Review D
    Academic article

2013

  • Cruz, Arturo Amador; Andersen, Jens Oluf. (2013) Two-color QCD in a strong magnetic field: The role of the Polyakov loop. Physical Review D. Particles and fields
    Academic article
  • Mogliacci, Sylvain; Andersen, Jens Oluf; Strickland, Michael; Su, Nan; Vuorinen, Aleksi. (2013) Equation of state of hot and dense QCD: resummedperturbation theory confronts lattice data. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Mogliacci, Sylvain; Su, Nan; Vuorinen, Aleksi. (2013) Quark number susceptibilities from resummed perturbation theory. Physical Review D. Particles and fields
    Academic article

2012

  • Andersen, Jens Oluf. (2012) Thermal pions in a magnetic background. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Khan, Rashid. (2012) Chiral transition in a magnetic field and at finite baryon density. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf. (2012) Introduction to Statistical Mechanics. Tapir Akademisk Forlag Tapir Akademisk Forlag
    Textbook
  • Andersen, Jens Oluf. (2012) Chiral perturbation theory in a magnetic background - finite-temperature effects. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Tranberg, Anders. (2012) The chiral transition in a magnetic background: Finite density effects and the functional renormalization group. Journal of High Energy Physics (JHEP)
    Academic article

2011

  • Kyllingstad, Lars Tandle; Andersen, Jens Oluf. (2011) Aspects of QCD thermodynamics through scalar field theory and NJL models. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2011:188)
    Doctoral dissertation
  • Svanes, Eirik Eik; Andersen, Jens Oluf. (2011) Functional renormalization group at finite density and Bose condensation. Nuclear Physics A
    Academic article
  • Strickland, Michael; Andersen, Jens Oluf; Leganger, Lars Erlend; Su, Nan. (2011) Hard-Thermal-Loop QCD Thermodynamics. Progress of Theoretical Physics Supplement
    Academic article
  • Andersen, Jens Oluf; Leganger, Lars Erlend; Strickland, Michael; Su, Nan. (2011) The QCD trace anomaly. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Leganger, Lars Erlend; Strickland, Michael; Su, Nan. (2011) NNLO hard-thermal-loop thermodynamics for QCD. Physics Letters B
    Academic article
  • Andersen, Jens Oluf; Leganger, Lars Erlend; Strickland, Michael; Su, Nan. (2011) QCD trace anomaly. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Leganger, Lars Erlend; Strickland, Michael; Su, Nan. (2011) Three-loop HTL QCD thermodynamics. Journal of High Energy Physics (JHEP)
    Academic article

2010

  • Strickland, Michael; Su, Nan; Andersen, Jens Oluf. (2010) QED Thermodynamics at Intermediate Coupling. Acta Physica Polonica B
    Academic article
  • Andersen, Jens Oluf; Kyllingstad, Lars Tandle. (2010) Pion condensation in a two-flavour NJL model: the role of charge neutrality. Journal of Physics G: Nuclear and Particle Physics
    Academic article
  • Su, Nan; Andersen, Jens Oluf; Strickland, Michael. (2010) Hard-thermal-loop QED thermodynamics. Chinese Physics C
    Academic article
  • Andersen, Jens Oluf; Strickland, Michael; Su, Nan. (2010) Three-loop HTL gluon thermodynamics at intermediate coupling. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Strickland, Michael; Su, Nan. (2010) Gluon Thermodynamics at Intermediate Coupling. Physical Review Letters
    Academic article
  • Andersen, Jens Oluf; Kyllingstad, Lars Tandle; Splittorff, Kim. (2010) The sign problem across the QCD phase transition. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Brauner, Tomas. (2010) Phase diagram of two-color quark matter at nonzero baryon and isospin density. Physical Review D. Particles and fields
    Academic article

2009

  • Andersen, Jens Oluf; Leganger, Lars Erlend. (2009) Kaon condensation in the color-flavor-locked phase of quark matter, the Goldstone theorem, and the 2PI Hartree approximation. Nuclear Physics A
    Academic article
  • Andersen, Jens Oluf; Strickland, Michael; Su, Nan. (2009) Three-loop hard-thermal-loop free energy for QED. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf. (2009) Bose-Einstein condensation in dense quark matter. Nuclear Physics A
    Academic article

2008

  • Andersen, Jens Oluf; Brauner, Tomas. (2008) Linear sigma model at finite density in the 1/N expansion to next-to-leading order. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Kyllingstad, Lars. (2008) Four-loop screened perturbation theory. Physical Review D. Particles and fields
    Academic article

2007

  • Andersen, Jens Oluf. (2007) Introduction to statistical mechanics. NTNU NTNU
    Compendium
  • Andersen, Jens Oluf. (2007) Pion and kaon condensation at finite temperature and density. Physical Review D. Particles and fields
    Academic article

2006

  • Andersen, Jens Oluf; Boer, Daniel; Warringa, Harmen J. (2006) Effects of quantum instantons on the thermodynamics of the CP(N-1) model. Physical Review D. Particles and fields
    Academic article

2002

  • Andersen, Jens Oluf; Haugerud, Hårek. (2002) Ground state of a trapped Bose-Einstein condensate in two dimensions: Beyond the mean-field approximation. Physical Review A. Atomic, Molecular, and Optical Physics (PRA)
    Academic article

Journal publications

  • Andersen, Jens Oluf; Nødtvedt, Mathias Pavely. (2025) Color superconductivity and speed of sound in the two-flavor quark-meson diquark model. Physical Review D
    Academic article
  • Zhou, Hua; Yu, Qing; Andersen, Jens Oluf; johnsrud, martin Kjøllesdal. (2025) Chiral perturbation theory and Bose-Einstein condensation in QCD. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; nødetvedt, mathias. (2025) Color superconductivity and speed of sound in the two-flavor quark-meson diquark model. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Johnsrud, Martin Kjøllesdal; Yu, Qing; Zhou, Hua. (2025) Chiral perturbation theory and Bose-Einstein condensation in QCD. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Yu, Qing; Zhou, Hua. (2024) Pion condensation in QCD at finite isospin density, the dilute Bose gas, and speedy Goldstone bosons. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Yu, Qing; Zhou, Hua. (2023) Thermodynamics and quark condensates of three-flavor QCD at low temperature. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Du, Qianqian; Strickland, Michael; Tantary, Ubaid. (2022) N=4 supersymmetric Yang-Mills thermodynamics from effective field theory. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Eriksson, Magdalena Britt; Tranberg, Anders. (2022) Stochastic inflation from quantum field theory and the parametric dependence of the effective noise amplitude. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf. (2022) Phases and condensates in zero-temperature QCD at finite μI and μS. The European Physical Journal Conferences
    Academic article
  • Andersen, Jens Oluf; Eriksson, Magdalena Britt; Tranberg, Anders. (2021) Quantum corrections to slow-roll inflation: scalar and tensor modes. Journal of High Energy Physics (JHEP)
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf; Mojahed, Martin Aria. (2021) Quark, pion and axial condensates in three-flavor finite isospin chiral perturbation theory. European Physical Journal C
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf; Mojahed, Martin Aria. (2021) Condensates and pressure of two-flavor chiral perturbation theory at nonzero isospin and temperature. European Journal of Physics
    Academic article
  • Andersen, Jens Oluf. (2021) QCD phase diagram in a constant magnetic background: Inverse magnetic catalysis: where models meet the lattice. European Physical Journal A
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf. (2020) Quark and pion condensates at finite isospin density in chiral perturbation theory. European Physical Journal C
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf. (2020) QCD at finite isospin density: chiral perturbation theory confronts lattice data. Physics Letters B
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf. (2020) Pion and kaon condensation at zero temperature in three-flavor [\chi]PT at nonzero isospin and strange chemical potentials at next-to-leading order. Journal of High Energy Physics (JHEP)
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf; Kneschke, Patrick. (2019) Two-flavor chiral perturbation theory at nonzero isospin: Pion condensation at zero temperature. European Physical Journal C
    Academic article
  • Folkestad, Åsmund; Andersen, Jens Oluf. (2019) Thermodynamics and phase diagrams of Polyakov-loop extended chiral models. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Adhikari, Prabal; Kneschke, Patrick. (2019) Pion condensation and QCD phase diagram at finite isospin density. Proceedings of Science (PoS)
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf; Kneschke, Patrick. (2018) Pion condensation and phase diagram in the Polyakov-loop quark-meson model. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Kneschke, Patrick. (2018) Chiral density wave versus pion condensation at finite density and zero temperature. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Gorda, Tyler; Helset, Andreas; Niemi, Lauri; Tenkanen, Tuomas V.I.; Tranberg, Anders. (2018) Nonperturbative analysis of the electroweak phase transition in the two Higgs doublet model. Physical Review Letters
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf. (2017) Consistent regularization and renormalization in models with inhomogeneous phases. Physical Review D
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf; Kneschke, Patrick. (2017) On-shell parameter fixing in the quark-meson model. Physical Review D
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf; Kneschke, Patrick. (2017) Inhomogeneous chiral condensate in the quark-meson model. Physical Review D
    Academic article
  • Adhikari, Prabal; Andersen, Jens Oluf. (2017) Chiral density wave versus pion condensation in the (1+1)-dimensional NJL model. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Naylor, William; Tranberg, Anders. (2016) Phase diagram of QCD in a magnetic field. Reviews of Modern Physics
    Academic article
  • Andersen, Jens Oluf; Haque, Najmul; Mustafa, Munshi; Strickland, Michael; Su, Nan. (2016) Equation of state for QCD at finite temperature and density. Resummation versus lattice data. AIP Conference Proceedings
    Academic article
  • Khan, Rashid; Andersen, Jens Oluf; Kyllingstad, Lars Tandle; Khan, Majid. (2016) The chiral phase transition and the role of vacuum fluctuations. International Journal of Modern Physics A
    Academic article
  • Andersen, Jens Oluf; Haque, Najmul; Mustafa, Munshi; Strickland, Michael. (2016) Three-loop hard-thermal-loop perturbation theory thermodynamics at finite temperature and finite baryonic and isospin chemical potential. Physical Review D
    Academic article
  • Andersen, Jens Oluf; Naylor, William; Tranberg, Anders. (2015) Inverse magnetic catalysis and regularization in the quark-meson model. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Brauner, Tomas; Naylor, William. (2015) Confronting effective models for deconfinement in dense quark matter with lattice data. Physical Review D
    Academic article
  • Strickland, Michael; Andersen, Jens Oluf; Bandyopadhyay, Aritra Aritra; Haque, Najmul; Mustafa, Munshi; Su, Nan. (2014) Three loop HTL perturbation theory at finite temperature and chemical potential. Nuclear Physics A
    Academic article
  • Andersen, Jens Oluf; Brauner, Tomas; Hofmann, CP; Vuorinen, Aleksi. (2014) Effective Lagrangians for quantum many-body systems. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Naylor, William; Tranberg, Anders. (2014) Chiral and deconfinement transitions in a magnetic background using the functional renormalization group with the Polyakov loop. Journal of High Energy Physics (JHEP)
    Academic article
  • Haque, Najmul; Bandyopadhyay, Aritra; Andersen, Jens Oluf; Mustafa, Munshi; Strickland, Michael; Su, Nan. (2014) Three-loop HTLpt thermodynamics at finite temperature and chemical potential. Journal of High Energy Physics (JHEP)
    Academic article
  • Haque, Najmul; Andersen, Jens Oluf; Mustafa, Munshi; Strickland, Michael; Su, Nan. (2014) Three-loop pressure and susceptibility at finite temperature and density from hard-thermal-loop perturbation theory. Physical Review D
    Academic article
  • Cruz, Arturo Amador; Andersen, Jens Oluf. (2013) Two-color QCD in a strong magnetic field: The role of the Polyakov loop. Physical Review D. Particles and fields
    Academic article
  • Mogliacci, Sylvain; Andersen, Jens Oluf; Strickland, Michael; Su, Nan; Vuorinen, Aleksi. (2013) Equation of state of hot and dense QCD: resummedperturbation theory confronts lattice data. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Mogliacci, Sylvain; Su, Nan; Vuorinen, Aleksi. (2013) Quark number susceptibilities from resummed perturbation theory. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf. (2012) Thermal pions in a magnetic background. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Khan, Rashid. (2012) Chiral transition in a magnetic field and at finite baryon density. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf. (2012) Chiral perturbation theory in a magnetic background - finite-temperature effects. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Tranberg, Anders. (2012) The chiral transition in a magnetic background: Finite density effects and the functional renormalization group. Journal of High Energy Physics (JHEP)
    Academic article
  • Svanes, Eirik Eik; Andersen, Jens Oluf. (2011) Functional renormalization group at finite density and Bose condensation. Nuclear Physics A
    Academic article
  • Strickland, Michael; Andersen, Jens Oluf; Leganger, Lars Erlend; Su, Nan. (2011) Hard-Thermal-Loop QCD Thermodynamics. Progress of Theoretical Physics Supplement
    Academic article
  • Andersen, Jens Oluf; Leganger, Lars Erlend; Strickland, Michael; Su, Nan. (2011) The QCD trace anomaly. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Leganger, Lars Erlend; Strickland, Michael; Su, Nan. (2011) NNLO hard-thermal-loop thermodynamics for QCD. Physics Letters B
    Academic article
  • Andersen, Jens Oluf; Leganger, Lars Erlend; Strickland, Michael; Su, Nan. (2011) QCD trace anomaly. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Leganger, Lars Erlend; Strickland, Michael; Su, Nan. (2011) Three-loop HTL QCD thermodynamics. Journal of High Energy Physics (JHEP)
    Academic article
  • Strickland, Michael; Su, Nan; Andersen, Jens Oluf. (2010) QED Thermodynamics at Intermediate Coupling. Acta Physica Polonica B
    Academic article
  • Andersen, Jens Oluf; Kyllingstad, Lars Tandle. (2010) Pion condensation in a two-flavour NJL model: the role of charge neutrality. Journal of Physics G: Nuclear and Particle Physics
    Academic article
  • Su, Nan; Andersen, Jens Oluf; Strickland, Michael. (2010) Hard-thermal-loop QED thermodynamics. Chinese Physics C
    Academic article
  • Andersen, Jens Oluf; Strickland, Michael; Su, Nan. (2010) Three-loop HTL gluon thermodynamics at intermediate coupling. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Strickland, Michael; Su, Nan. (2010) Gluon Thermodynamics at Intermediate Coupling. Physical Review Letters
    Academic article
  • Andersen, Jens Oluf; Kyllingstad, Lars Tandle; Splittorff, Kim. (2010) The sign problem across the QCD phase transition. Journal of High Energy Physics (JHEP)
    Academic article
  • Andersen, Jens Oluf; Brauner, Tomas. (2010) Phase diagram of two-color quark matter at nonzero baryon and isospin density. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Leganger, Lars Erlend. (2009) Kaon condensation in the color-flavor-locked phase of quark matter, the Goldstone theorem, and the 2PI Hartree approximation. Nuclear Physics A
    Academic article
  • Andersen, Jens Oluf; Strickland, Michael; Su, Nan. (2009) Three-loop hard-thermal-loop free energy for QED. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf. (2009) Bose-Einstein condensation in dense quark matter. Nuclear Physics A
    Academic article
  • Andersen, Jens Oluf; Brauner, Tomas. (2008) Linear sigma model at finite density in the 1/N expansion to next-to-leading order. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Kyllingstad, Lars. (2008) Four-loop screened perturbation theory. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf. (2007) Pion and kaon condensation at finite temperature and density. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Boer, Daniel; Warringa, Harmen J. (2006) Effects of quantum instantons on the thermodynamics of the CP(N-1) model. Physical Review D. Particles and fields
    Academic article
  • Andersen, Jens Oluf; Haugerud, Hårek. (2002) Ground state of a trapped Bose-Einstein condensate in two dimensions: Beyond the mean-field approximation. Physical Review A. Atomic, Molecular, and Optical Physics (PRA)
    Academic article

Books

  • Andersen, Jens Oluf. (2012) Introduction to Statistical Mechanics. Tapir Akademisk Forlag Tapir Akademisk Forlag
    Textbook

Report

  • Undheim, Vegard; Nielsen, Alex Bentley; Andersen, Jens Oluf. (2021) First post-Newtonian correction to gravitational waves produced by compact binaries: How to compute relativistic corrections to gravitational waves using Feynman diagrams. NTNU NTNU
    Masters thesis
  • Husdal, Lars; Andersen, Jens Oluf. (2017) Viscous Phenomena and Entropy Production in the Early Universe. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Jakobsen, Martin Fonnum; Andersen, Jens Oluf; Brauner, Tomas. (2017) A Soft-Limit Theorem for the On-Shell Scattering Amplitudes Describing Processes Involving Massive Nambu-Goldstone Bosons. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Helset, Andreas; Andersen, Jens Oluf; Brauner, Tomas. (2017) Dimensional reduction of the Two-Higgs Doublet Model with a softly broken Z2 symmetry at one-loop. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Kyllingstad, Lars Tandle; Andersen, Jens Oluf. (2011) Aspects of QCD thermodynamics through scalar field theory and NJL models. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2011:188)
    Doctoral dissertation
  • Andersen, Jens Oluf. (2007) Introduction to statistical mechanics. NTNU NTNU
    Compendium

Teaching

Courses

  • TFY4280 - Signal Processing
  • TFY4345 - Classical Mechanics

Outreach

2025

  • Academic lecture
    Andersen, Jens Oluf. (2025) QCD at finite isospin density and pion condensation. XQCD2025 2025-07-02 -
  • Academic lecture
    Andersen, Jens Oluf. (2025) Quark-meson diquark model and dense QCD. 2nd Workshop on modern equations of state and spectroscopy in neutron-star matter 2025-05-26 - 2025-05-28

2024

  • Academic lecture
    Andersen, Jens Oluf. (2024) Bose condensation in QCD: From the dilute Bose gas to color superconductivity. Quspin seminar , NTNU 2024-03-13 - 2024-03-13
  • Poster
    Andersen, Jens Oluf; Nødtvedt, Mathias. (2024) Color superconductivity in the two-flavor quark-meson diquark model. SEWM2024 , Frankfurt 2024-08-26 - 2024-08-30
  • Academic lecture
    Andersen, Jens Oluf. (2024) Bose condensation in QCD. SEWM24 , Frankfurt 2024-08-25 - 2024-08-30

2023

  • Academic lecture
    Andersen, Jens Oluf. (2023) Magnetic catalysis and inverse magnetic catalysis. Strongly interacting matter in extreme magnetic fields 2023-09-25 - 2023-09-29
  • Academic lecture
    Andersen, Jens Oluf. (2023) BOSE CONDENSATION IN DENSE QCD. XQCD23 2023-07-26 - 2023-07-28

2022

  • Academic lecture
    Andersen, Jens Oluf. (2022) Phase diagram and condensates at finite isospin and strangeness density. FunQCD , Valencia 2022-06-13 - 2022-06-17
  • Academic lecture
    Andersen, Jens Oluf. (2022) Phase diagram and condensates at finite isospin QCD. Confinement , Stavanger 2022-08-01 - 2022-08-06
  • Academic lecture
    Andersen, Jens Oluf. (2022) QCD in a strong magnetic background. PIF22 (virtual conference) 2022-08-29 - 2022-09-02

2021

  • Academic lecture
    Andersen, Jens Oluf. (2021) Thermodynamics, quark and pion condensates in finite isospin chiral perturbation theory. A Virtual Tribute to Quark Confinement and the Hadron Spectrum 2021 , Stavanger 2021-08-02 - 2021-08-06
  • Academic lecture
    Andersen, Jens Oluf. (2021) Quark and pion condensates at finite isospin density in chiral perturbation theory. FunQCD , Spain/virtual 2021-03-29 - 2021-04-01

2020

  • Interview
    Andersen, Jens Oluf. (2020) Universets største bølger ga to nobelpriser. Gemini.no Gemini.no [Journal] 2020-10-05
  • Interview
    Andersen, Jens Oluf. (2020) TEMP PÅ TEKNOLOGI. Under Dusken Under Dusken [Journal] 2020-01-14
  • Academic lecture
    Andersen, Jens Oluf. (2020) QCD phase diagram, chiral perturbation theory and pion condensation. Theory seminar , Trondheim 2020-02-21 - 2020-02-21
  • Academic lecture
    Andersen, Jens Oluf. (2020) chiPT and pion condensation at finite isospin. XXXII International (ONLINE) Workshop on High Energy Physics "Hot problems of Strong Interactions" , Mosvka 2020-11-09 - 2020-11-13

2019

  • Academic lecture
    Andersen, Jens Oluf. (2019) Pion condensation: chpt versus lattice. XQCD , Tokyo 2019-06-24 - 2019-06-26
  • Interview
    Andersen, Jens Oluf. (2019) Hvorfor finnes du og jeg og alt annet?. Gemini og Forskning.no Gemini og Forskning.no [Internet] 2019-01-08
  • Lecture
    Andersen, Jens Oluf. (2019) Phase diagram of QCD. PHD school , Campos de Jordao 2019-02-10 - 2019-02-15
  • Academic lecture
    Andersen, Jens Oluf. (2019) Pion condensation - $\chi$pt versus lattice. Theory seminar , Groningen 2019-11-05 - 2019-11-05
  • Academic lecture
    Andersen, Jens Oluf. (2019) Nonperturbative analysis of the electroweak phase transition. Theory seminar , Groningen 2019-11-06 - 2019-11-06
  • Lecture
    Andersen, Jens Oluf. (2019) Svarte hol og gravitasjonsbølgjer. Norske Fysikkstudenters Konferanse 2019 , Trondheim 2019-03-16 - 2019-03-16
  • Academic lecture
    Andersen, Jens Oluf. (2019) Pion condensation and the phase diagram of QCD. Theory seminar , Frankfurt 2019-11-07 - 2019-11-07
  • Academic lecture
    Andersen, Jens Oluf. (2019) Pion condensation - CHPT versus lattice. Quo Vadis (UiS) , Stavanger 2019-09-30 - 2019-10-02

2018

  • Academic lecture
    Andersen, Jens Oluf. (2018) Pion condensation and QCD phase diagram at finite isospin density. konferanse , Maynooth 2018-07-31 - 2018-08-06
  • Lecture
    Andersen, Jens Oluf. (2018) Svarte hol og anna moro i universet. Motivasjonsforedrag , Trondheim 2018-09-06 - 2018-09-06
  • Academic lecture
    Andersen, Jens Oluf. (2018) QCD phase diagram at finite isospin chemical potential. Pion stars. PHAROS workshop , Coimbra 2018-09-26 - 2018-09-28

2017

  • Academic lecture
    Andersen, Jens Oluf. (2017) Phase diagram of QCD in a strong magnetic background. Invited speaker , Helsinki 2017-04-27 - 2017-04-27
  • Academic lecture
    Andersen, Jens Oluf. (2017) Three-loop HTLpt thermodynamics at finite temperature and chemical potential: Resummation versus lattice data. Workshop (Invited speaker) , New York 2017-02-13 - 2017-02-15
  • Interview
    Andersen, Jens Oluf. (2017) Svarte hull og andre stjernerester. Gemini Gemini [Journal] 2017-05-15
  • Academic lecture
    Andersen, Jens Oluf. (2017) QCD thermodynamics. HTLpt versus lattice. Seminar , Minneapolis 2017-10-16 - 2017-10-16
  • Academic lecture
    Andersen, Jens Oluf. (2017) QCD thermodynamics. Norwegian astro/particle/cosmo theory workshop I 2017-06-19 - 2017-06-22
  • Academic lecture
    Andersen, Jens Oluf. (2017) QCD thermodynamics. Hard-thermal-loop perturbation theory vs lattice. XQCD , Pisa 2017-06-26 - 2017-06-28
  • Lecture
    Andersen, Jens Oluf. (2017) 2017 Nobel Prize in Physics and Gravitational Waves. Fredagskollokvie , Nidaros 2017-12-01 - 2017-12-01

2016

  • Programme participation
    Andersen, Jens Oluf; Tranberg, Anders. (2016) Intervju om konferansen Strong and Electroweak Matter 2016 arrangert i Stavanger (UiS). Stavanger Stavanger [Radio] 2016-07-12
  • Academic lecture
    Andersen, Jens Oluf. (2016) Phase diagram of QCD in a strong magnetic background. Theory seminar , Frankfurt 2016-02-08 - 2016-02-08
  • Academic lecture
    Andersen, Jens Oluf. (2016) Strongly interacting matter in a magnetic background field. N-talk , København 2016-11-18 - 2016-11-18
  • Academic lecture
    Andersen, Jens Oluf. (2016) EoS for hot and dense QCD. HTLpt confronts lattice results. Theory seminar 2016-02-11 - 2016-02-11

2015

  • Lecture
    Andersen, Jens Oluf. (2015) Svarte hol. Etterutdanning av lærarar , Trondheim 2015-02-24 - 2015-02-25
  • Academic lecture
    Andersen, Jens Oluf. (2015) Phase diagram of QCD in a strong magnetic field. Workshop 2015-05-25 - 2015-06-02
  • Academic lecture
    Andersen, Jens Oluf. (2015) QCD at high temperature and density. Gjesteforelesning , Amsterdam 2015-02-12 - 2015-02-12
  • Academic lecture
    Andersen, Jens Oluf. (2015) A guided tour in the QCD phase diagram. Gjesteforelesning , Groningen 2015-02-09 - 2015-02-09

2014

  • Academic lecture
    Andersen, Jens Oluf. (2014) HTL pertubation theory to three loops at finite temperature and chemical potential. SEWM2014 , Lausanne 2014-07-14 - 2014-08-18
  • Academic lecture
    Andersen, Jens Oluf. (2014) (Inverse) magnetic catalysis and the QCD phase transition. Foredrag , Wien 2014-10-06 - 2014-10-06
  • Academic lecture
    Andersen, Jens Oluf. (2014) Equation of State of hot and dense QCD: Resummed perturbation theory confronts lattice data. XIth Quark Connement and the Hadron Spectrum , Sankt Petersburg 2014-09-08 - 2014-09-12

2013

  • Academic lecture
    Andersen, Jens Oluf. (2013) The chiral transition in strong magnetic fields: finite density effects. Workshop , St . Goar 2013-03-18 - 2013-03-21
  • Academic lecture
    Andersen, Jens Oluf. (2013) Equation of state for hot and dense QCD. Resummed perturbation theory confronts lattice data. Theory seminar , NTNU 2013-10-28 - 2013-10-28
  • Academic lecture
    Andersen, Jens Oluf. (2013) QCD in extreme conditions. Passion for physics (symposium) , NTNU 2013-03-08 - 2013-03-08
  • Academic lecture
    Andersen, Jens Oluf. (2013) A guided tour in the phase diagram of QCD. Seminar , Stavanger 2013-04-18 - 2013-04-18

2012

  • Academic lecture
    Andersen, Jens Oluf. (2012) QCD phase diagram in a magnetic background. Workshop , Ty 2012-09-19 - 2012-09-22
  • Academic lecture
    Andersen, Jens Oluf. (2012) The chiral transition in a magnetic background - finite density effects. Strong and electroweak matter 2012 , Swansea 2012-07-09 - 2012-07-13
  • Interview
    Andersen, Jens Oluf. (2012) Vital byggestein i universet funnet. Adresseavisen Adresseavisen [Journal] 2012-07-05
  • Academic lecture
    Andersen, Jens Oluf. (2012) Extreme QCD - the chiral transition in a strong magnetic background. Teoriseminar , NTNU 2012-07-17 - 2012-07-17

2010

  • Academic lecture
    Andersen, Jens Oluf. (2010) Hard-thermal-loop perturbation theory and quasiparticle picture of a quark-gluon plasma. Invitert foredrag , Wien 2010-08-24 - 2010-08-28
  • Academic lecture
    Andersen, Jens Oluf. (2010) Gluon Thermodynamics at Intermediate Coupling. SEWM2010 , Montreal 2010-06-29 - 2010-07-02
  • Academic lecture
    Andersen, Jens Oluf. (2010) Two-color QCD. teoriseminar 2010-06-09 - 2010-06-09
  • Academic lecture
    Andersen, Jens Oluf. (2010) A flavor of two-color QCD. Vitenskapleg foredrag , Frankfurt 2010-06-16 - 2010-06-16
  • Academic lecture
    Andersen, Jens Oluf. (2010) HTL QCD thermodynamics. Theory seminar , Darmstadt 2010-11-09 - 2010-11-09
  • Academic lecture
    Andersen, Jens Oluf. (2010) HTL perturbation theory and quasiparticle picture of a quark-gluon plasma. Theory seminar , Heidelberg 2010-11-08 - 2010-11-08

2009

  • Academic lecture
    Andersen, Jens Oluf. (2009) Cold atoms versus QCD. PhD defense , Helsinki 2009-05-28 - 2009-05-28
  • Academic lecture
    Andersen, Jens Oluf. (2009) Fasediagrammet i QCD. Fredagskollokvium , Trondheim 2009-02-06 - 2009-02-06
  • Academic lecture
    Andersen, Jens Oluf. (2009) Phase diagram of QCD. foredrag , Oslo 2009-01-28 - 2009-01-29
  • Lecture
    Andersen, Jens Oluf. (2009) Verdsrommet - svarte hol. Etterutdanning for lærarar i VgS , Trondheim 2009-02-03 - 2009-02-03
  • Academic lecture
    Andersen, Jens Oluf. (2009) QCD thermodynamics at intermediate coupling. Teoriseminar Nordita , Stockholm 2009-10-27 - 2009-10-27
  • Academic lecture
    Andersen, Jens Oluf. (2009) Resummation: Weak-coupling expansion vs screened perturbation theory. Renormalization and Resummation , Budapest 2009-04-02 - 2009-04-04
  • Academic lecture
    Andersen, Jens Oluf. (2009) Chiral symmetry restoration in strongly interacting matter. seminar , Oslo 2009-10-23 - 2009-10-23
  • Academic lecture
    Andersen, Jens Oluf. (2009) Convergent hard-thermal-loop resummation for thermal gauge theories. teoriseminar , Helsinki 2009-10-26 - 2009-10-26

2008

  • Academic lecture
    Andersen, Jens Oluf. (2008) Bose-Einstein condensation in dense quark matter. Strong and Electroweak matter 2008 , Amsterdam 2008-08-26 - 2008-08-29
  • Lecture
    Andersen, Jens Oluf. (2008) Big Bang og universets utvikling. Trondheim Astronomiske forening , Trondheim 2008-03-26 - 2008-03-26
  • Academic lecture
    Andersen, Jens Oluf. (2008) Kaon condensation in the CFL phase of QCD. J.W. Goethe University , Frankfurt an Main 2008-11-26 - 2008-11-26
  • Lecture
    Andersen, Jens Oluf. (2008) Svarte hol. Eksotiske objekt i verdsrommet. Etterutdanningskurs for lærarar i VGS (Verdensrommet) , Trondheim 2008-10-21 - 2008-10-21

2007

  • Academic lecture
    Andersen, Jens Oluf. (2007) 1/N techniques at finite temperature and density. Frontiers in perturbative quantum field theory , Bielefeld 2007-06-14 - 2007-06-16
  • Lecture
    Andersen, Jens Oluf. (2007) Svarte Hol. Etterutdanning for lærarar i vidaregåande skule , Trondheim 2007-04-26 - 2007-04-27
  • Academic lecture
    Andersen, Jens Oluf. (2007) Relativistic Bose-Einstein condensation. Ruperto Carola symposion on ultracold atomic gases , Heidelberg 2007-07-18 - 2007-07-20
  • Lecture
    Andersen, Jens Oluf. (2007) Svarte hol -eksotiske objekt i Universet. Populærvitenskapleg foredrag , Trondheim 2007-03-15 - 2007-03-15
  • Lecture
    Andersen, Jens Oluf. (2007) Historia til universet på 45min. Populærvitenskapleg foredrag 2007-10-17 - 2007-10-17
  • Lecture
    Andersen, Jens Oluf. (2007) Kva skjer med universet i framtida?. Researcher's Night , Trondheim 2007-09-28 - 2007-09-28

2006

  • Academic lecture
    Andersen, Jens Oluf. (2006) Hard-thermal-loop resummation and the thermodynamics of QCD. Invitert foredrag , Dublin 2006-04-10 - 2006-04-10

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