Altermagnetic Phase Transition in a Lieb Metal
Matteo Dürrnagel, Hendrik Hohmann, Atanu Maity, Jannis Seufert, Michael Klett, Lennart Klebl, Ronny Thomale
Abstract
We analyze the phase transition between a symmetric metallic parent state and itinerant altermagnetic order. The underlying mechanism we reveal in our microscopic model of electrons on a Lieb lattice does not involve orbital ordering, but derives from sublattice interference.
Topics & Concepts
Condensed matter physicsLattice (music)ElectronPhase transitionPhysicsQuantum phase transitionMaterials scienceQuantum mechanicsAcousticsQuantum and electron transport phenomenaTopological Materials and PhenomenaQuantum many-body systems