Quantum reciprocity conjecture for the non-equilibrium steady state

Authors: Coleman P.; Mao W.

Source: Journal of Physics: Condensed Matter, Volume 16, Number 20, 26 May 2004 , pp. L263-L269(1)

Publisher: Institute of Physics Publishing

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Abstract:

A consideration of the lack of history dependence in the non-equilibrium steady state of a quantum system leads us to conjecture that in such a system there is a set of quantum mechanical observables whose retarded response functions are insensitive to the arrow of time, and which consequently satisfy a quantum analogue of the Onsager reciprocity relations. Systems which satisfy this conjecture can be described by an effective free energy functional. We demonstrate that the conjecture holds in a resonant level model of a multi-lead quantum dot.

Document Type: Research article

DOI: 10.1088/0953-8984/16/20/L02

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