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Duality relation for quantum ratchets

DOI to cite this document:
Peguiron, J. ; Grifoni, Milena
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Date of publication of this fulltext: 18 Sep 2009 08:40


A duality relation between the long-time dynamics of a quantum Brownian particle in a tilted ratchet potential and a driven dissipative tight-binding model is reported. It relates a situation of weak dissipation in one model to strong dissipation in the other one, and vice versa. We apply this duality relation to investigate transport and rectification in ratchet potentials: From the linear ...


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