Berlin 2024 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 80: Correlated Electrons: Poster

TT 80.22: Poster

Donnerstag, 21. März 2024, 15:00–18:00, Poster E

Kondo screening in Kitaev-type spin-orbitals liquids — •Christos Kourris and Matthias Vojta — Institut für Theoretische Physik, TU Dresden, Dresden, Germany

In systems of itinerant fermions interacting with local moments, the competition between Kondo screening and various types of symmetry breaking and topological order can give rise to rich phenomenology. The existence and type of screening depend crucially on the low-energy properties of the host system. Here we use suitable mean-field schemes to study situations where a single Kondo impurity is coupled to a Kitaev-type spin-orbital liquid, whose excitations are itinerant Majorana fermions.

Keywords: Kitaev Spin Liquids; Majorana Fermions; Kondo Effect; Spin-Orbital Liquids