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The quantum hall effect and bulk-edge correspondence on lattice systems Furlotte, Justin

Abstract

In this thesis, we investigate the integer quantum Hall effect (IQHE). Discovered in 1980 by Nobel laureate Klaus von Klitzing, the IQHE is a phenomenon in which the conductivity of a 2-dimensional electron gas is quantized in exact integer multiples of q²/h when subjected to a strong magnetic field at very low temperatures. In particular, we provide a rigorous theoretical description of a phenomenon known as bulk-edge correspondence, wherein the value of the Hall conductivity is unaffected by whether or not one considers a system with an edge or a bulk (i.e. edgeless) system. This is accomplished in two settings. First, we ignore interactions between electrons, and then proceed to the more challenging interacting setting.

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Attribution-NonCommercial-NoDerivatives 4.0 International