Research Group: Correlated Electrons and Topology

Welcome to our group webpage!  We focus on theoretical and numerical studies of condensed matter physics. Below you find links to the research and teaching activities of our group.

What's new?

• 24.02.2020 -- Joint work with Urban Seifert (TU Dresden -> ENS Lyon), Sreejith Chulliparambil (TU Dresden), Matthias Vojta (TU Dresden), and Lukas Janssen (TU Dresden) on Flux crystals, Majorana metals, and flat bands in exactly solvable spin-orbital liquids is published in Phys. Rev. B; see link. Short summary: We have constructed a family of exactly solvable spin-orbital models. These models exhibit a rich phase diagram with a variety of novel phases.
• 17.02.2021 -- Joint work with Hua-Chen Zhang (IOP, CAS / TU Dresden), Ying-Hai Wu (HUST), and Tao Xiang (IOP, CAS) on Resonating valence bond realization of spin-1 non-Abelian chiral spin liquid on the torus is published in Phys. Rev. B; see link. Short summary: We have constructed the full set of three-fold degenerate RVB wave functions on the torus, which realize the bosonic Moore-Read-type non-Abelian chiral spin liquid.
• 14.12.2020 -- Joint work with Urban Seifert (TU Dresden -> ENS Lyon), Xiao-Yu Dong (Ghent Univ.), Sreejith Chulliparambil (TU Dresden), Matthias Vojta (TU Dresden), and Lukas Janssen (TU Dresden) on Fractionalized fermionic quantum criticality in spin-orbital Mott insulators is published in Phys. Rev. Lett.; see link. Short summary: We have revealed a new class of quantum phase transitions characterized by fractionalized massless Majorana fermions. Such exotic critical phenomena might be observed in frustrated magnets with spin and orbital degrees of freedom.

See also: past news