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cond-mat.str-el2026
Luttinger's Theorem Violation and Green's Function Topological Invariants in a Fractional Chern Insulator
Anton A. Markov, Andrey M. Nikishin, Nigel R. Cooper +2
Luttinger's theorem constrains the particle density of interacting fermions through global properties of the single-particle Green's function, and its violation signals a breakdown…
cond-mat.str-el2020★ 17 cited
Local marker for interacting topological insulators
Anton Markov, Alexey Rubtsov
Topological states of matter were first introduced for non-interacting fermions on an infinite uniform lattice. Since then, substantial effort has been made to generalize these con…
cond-mat.str-el2019★ 30 cited
Fate of a topological invariant for correlated lattice electrons at finite temperature
A. A. Markov, G. Rohringer, A. N. Rubtsov
Electrons on a two-dimensional (2) lattice which is exposed to a strong uniform magnetic field show intriguing physical phenomena. The spectrum of such systems exhibits a comple…