- 02-380 J.E. Avron, A. Elgart, G.M. Graf, L. Sadun, K. Schnee
- Adiabatic charge pumping in open quantum systems
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Sep 16, 02
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Abstract. We introduce a mathematical setup for charge transport in
quantum pumps connected to a number of external leads. It is proved that
under rather general assumption on the Hamiltonian describing the
system, in the
adiabatic limit the current through the pump is given by a formula of
Buttiker, Pretre, and Thomas, relating it to the frozen
S-matrix and its time derivative.
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