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arxiv: cond-mat/0606758 · v2 · submitted 2006-06-29 · ❄️ cond-mat.mes-hall · cond-mat.stat-mech

Adiabatic Process and Chern Numbers

classification ❄️ cond-mat.mes-hall cond-mat.stat-mech
keywords adiabaticcherneffectparametersappliedcompactifiedderivativefirst
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We study quantum processes with two or more adiabatic parameters. When the parameters are compactified, a derivative of the Hamiltonian gives a first Chern number, hence an integer. This topological formulation is applied to the AC Josephson effect and the spin Hall effect in semiconductors.

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