Journal publications

• Folkestad, Sarai Dery; Kjønstad, Eirik Fadum; Myhre, Rolf Heilemann; Andersen, Josefine; Balbi, Alice; Coriani, Sonia; Giovannini, Tommaso; Goletto, Linda; Haugland, Tor Strømsem; Hutcheson, Anders; Høyvik, Ida-Marie; Moitra, Torsha; Paul, Alexander Christian; Scavino, Marco; Skeidsvoll, Andreas Sæther; Tveten, Åsmund; Koch, Henrik. (2020) eT 1.0: An open source electronic structure program with emphasis on coupled cluster and multilevel methods. Journal of Chemical Physics. vol. 152 (18).
• Kjønstad, Eirik Fadum; Folkestad, Sarai Dery; Koch, Henrik. (2020) Accelerated multimodel Newton-type algorithms for faster convergence of ground and excited state coupled cluster equations. Journal of Chemical Physics. vol. 153 (1).
• Kjønstad, Eirik Fadum; Koch, Henrik. (2020) Biorthonormal Formalism for Nonadiabatic Coupled Cluster Dynamics. Journal of Chemical Theory and Computation. vol. 17 (1).
• Faber, Rasmus; Kjønstad, Eirik Fadum; Koch, Henrik; Coriani, Sonia. (2019) Spin adapted implementation of EOM-CCSD for triplet excited states: Probing intersystem crossings of acetylacetone at the carbon and oxygen K-edges. Journal of Chemical Physics. vol. 151 (14).
• Folkestad, Sarai Dery; Kjønstad, Eirik Fadum; Koch, Henrik. (2019) An efficient algorithm for Cholesky decomposition of electron repulsion integrals. Journal of Chemical Physics. vol. 150 (19).
• Kjønstad, Eirik Fadum; Koch, Henrik. (2019) An Orbital Invariant Similarity Constrained Coupled Cluster Model. Journal of Chemical Theory and Computation. vol. 15 (10).
• Kjønstad, Eirik Fadum; Heilemann Myhre, Rolf; Martinez, Todd J.; Koch, Henrik. (2017) Crossing conditions in coupled cluster theory. Journal of Chemical Physics. vol. 147 (16).
• Kjønstad, Eirik Fadum; Koch, Henrik. (2017) Resolving the Notorious Case of Conical Intersections for Coupled Cluster Dynamics. The Journal of Physical Chemistry Letters. vol. 8 (19).

Report/dissertation

• Kjønstad, Eirik; Koch, Henrik. (2016) Symmetric Coupled Cluster Theory. 2016.