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Slave-Boson analysis of the 2D Hubbard model
David Riegler, Michael Klett, Titus Neupert +2
We present a comprehensive study of the 2D one-band Hubbard model applying the spin rotation invariant slave-boson method. We utilize a spiral magnetic mean field and fluctuations…
Topology and Magnetism in the Kondo Insulator Phase Diagram
Michael Klett, Seulgi Ok, David Riegler +3
Topological Kondo insulators are a rare example of an interaction-enabled topological phase of matter in three-dimensional crystals - making them an intriguing but also hard case f…
Emergent Black Hole Dynamics in Critical Floquet Systems
Bastien Lapierre, Kenny Choo, Clément Tauber +3
While driven interacting quantum matter is generically subject to heating and scrambling, certain classes of systems evade this paradigm. We study such an exceptional class in peri…
Non-Abelian chiral spin liquid on a simple non-Archimedean lattice
Valerio Peri, Seulgi Ok, Stepan S. Tsirkin +5
We extend the scope of Kitaev spin liquids to non-Archimedean lattices. For the pentaheptite lattice, which results from the proliferation of Stone-Wales defects on the honeycomb l…
Reciprocal skin effect and its realization in a topolectrical circuit
Tobias Hofmann, Tobias Helbig, Frank Schindler +11
A system is non-Hermitian when it exchanges energy with its environment and non-reciprocal when it behaves differently upon the interchange of input and response. Within the field…
An exactly soluble model for a fractionalized Weyl semimetal
Fabian Hotz, Apoorv Tiwari, Oguz Turker +4
We construct an exactly solvable lattice model of a fractional Weyl semimetal (FWS). The low energy theory of this strongly interacting state is that of a Weyl semimetal built out…