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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-el2023★ 33 cited
Connecting the Many-Body Chern Number to Luttinger's Theorem through Středa's Formula
Lucila Peralta Gavensky, Subir Sachdev, Nathan Goldman
Relating the quantized Hall response of correlated insulators to many-body topological invariants is a key challenge in topological quantum matter. Here, we use Streda's formula to…