440 citations · 5.2k across the 174 of their papers we have counts for
7 papers · 1 filter
Topology-driven deconfined quantum criticality in magnetic bilayers
Sondre Duna Lundemo, Flavio S. Nogueira, Asle Sudbø
Two-dimensional quantum antiferromagnets are believed to host phases of matter whose excitations are more fundamental than those of the ordered phases. When combining two such spin…
Effects of the Hubbard interaction on the quantum metric
Pavlo Sukhachov, Niels Henrik Aase, Kristian Mæland +1
Quantum geometry provides important information about the structure and topology of quantum states in various forms of quantum matter. The information contained therein has profoun…
Dynamically generated spin-interactions and nutational spin inertia in normal metal-ferromagnet heterostructures
Christian Svingen Johnsen, Asle Sudbø
We consider the spin dynamics of a normal metal-ferromagnet heterostructure, with emphasis on spin-nutation terms arising from a dynamical Ruderman-Kittel-Kasuya-Yosida (RKKY) inte…
Orbital currents in lattice multiorbital systems: Continuity equation, torques, and RKKY interaction
Niels Henrik Aase, Erik Wegner Hodt, Jacob Linder +1
Utilizing the electron orbital degree of freedom in heterostructures is attracting increasing attention due to the possibility of achieving much larger conversion rates between cha…
Strong-coupling approach to temperature dependence of competing orders of superconductivity: Possible time-reversal symmetry breaking and nontrivial topology
Chi Sun, Kristian Mæland, Even Thingstad +1
We use strong-coupling Eliashberg theory to study the competition of separate superconducting orders at low temperatures. Specifically, we study magnon-mediated superconductivity i…
Many-body effects on superconductivity mediated by double-magnon processes in altermagnets
Kristian Mæland, Bjørnulf Brekke, Asle Sudbø
Altermagnets exhibit a large electron spin splitting which can be understood as a result of strong coupling between itinerant electrons and localized spins. We consider superconduc…