Our vision is to trigger a revolution in low-power information and communication technologies in an energy-efficient society.
QuSpin´s objective is to develop the basic science that uses quantum entities such as the electron spin as information carriers in radically different ways. We aim at groundbreaking basic research that is crucial to the development of fast, high-capacity, material systems and tools for smaller and more power-efficient electronic devices.
Phys. Rev. Lett. 130, 156002 – Published 13 April 2023. Kristian Mæland and Asle Sudbø
Abstract
Topological superconductors are associated with the appearance of Majorana bound states, with promising applications in topologically protected quantum computing. In this Letter, we study a system where a skyrmion crystal is interfaced with a normal metal. Through interfacial exchange coupling, spin fluctuations in the skyrmion crystal mediate an effective electron-electron interaction in the normal metal...
Phys. Rev. Lett. 131, 076001 – Published 14 August 2023
Fyhn, Eirik Holm; Brataas Arne; Qaiumzadeh, Alireza; Linder, Jacob.
Abstract
Antiferromagnets have no net spin splitting on the scale of the superconducting coherence length. Despite this, antiferromagnets have been observed to suppress superconductivity in a similar way as ferromagnets, a phenomenon that still lacks a clear understanding. We find that this effect can be explained by the role of impurities in antiferromagnets.
Phys. Rev. Applied 17, (064038)
Rui Wu, Andrew Ross, Shilei Ding, Yuxuan Peng, Fangge He, Yi Ren, Romain Lebrun, Yong Wu, Zhen Wang, Jinbo Yang, Arne Brataas, and Mathias Kläui.
Abstract
We study magnetotransport in heterostructures composed of the van der Waals antiferromagnet CrPS4 and the heavy metals Pt and Pd. In both types of devices, the transverse resistance (Rxy) signal reveals the spin-flop transition of CrPS4 and a strong anomalous Hall effect at temperatures up to 300 K...
Journal Club, Monday Oct 2nd, at 2.15 PM in E5-103. Speaker: PhD candidate Bjørnulf Brekke. Title: Zero-Frequency Chiral Magnonic Edge States Protected by Nonequilibrium Topology.
QuSpin Leader Group Meeting, Wednesday Oct 3rd, at 12.30 PM, in E5-103.
