Nonequlibrium particle and energy currents in quantum chains connected to mesoscopic Fermi reservoirs

Details Nonequlibrium particle and energy currents in quantum chains connected to mesoscopic Fermi reservoirs Nonequlibrium particle and energy currents in quantum chains connected to mesoscopic Fermi reservoirs

2012-04-05

arxiv.org/abs/1204.1321v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5pages, 4 figures

Scientific paper

We propose a model of nonequilibrium quantum transport of particles and energy in a system connected to mesoscopic Fermi reservoirs (meso-reservoir). The meso-reservoirs are in turn thermalized to prescribed temperatures and chemical potentials by a simple dissipative mechanism described by the Lindblad equation. As an example, we study transport in monoatomic and diatomic chains of non-interacting spinless fermions. We show numerically the breakdown of the Onsager reciprocity relation due to the dissipative terms of the model.

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