Elementary formula for the Hall conductivity of interacting systems
classification
❄️ cond-mat.str-el
keywords
conductivityformulahallinteractingassumptionbrokendegeneratediscrete
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A formula for the Hall conductivity of interacting electrons is given under the assumption that the ground state manifold is N_gs-fold degenerate and discrete translation symmetry is neither explicitly nor spontaneously broken.
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