Journal
JOURNAL OF STATISTICAL PHYSICS
Volume 116, Issue 1-4, Pages 425-473Publisher
SPRINGER
DOI: 10.1023/B:JOSS.0000037245.45780.e1
Keywords
quantum pumps; energy shift; current; dissipation; entropy; noise; Berry phase; Weyl calculus
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This paper is about adiabatic transport in quantum pumps. The notion of energy shift,'' a self-adjoint operator dual to the Wigner time delay, plays a role in our approach: It determines the current, the dissipation, the noise and the entropy currents in quantum pumps. We discuss the geometric and topological content of adiabatic transport and show that the mechanism of Thouless and Niu for quantized transport via Chern numbers cannot be realized in quantum pumps where Chern numbers necessarily vanish.
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