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A functional renormalization group approach to non-equilibrium properties of mesoscopic interacting quantum systems

✍ Scribed by Th. Pruschke; A. Dirks; R. Gezzi

Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 362 KB
Volume: 404
Category: Article
ISSN: 0921-4526
DOI: 10.1016/j.physb.2009.07.071

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✦ Synopsis

We present an extension of the concepts of the functional renormalization group approach to quantum many-body problems in non-equilibrium situations. The approach is completely general and allows calculations for both stationary and time-dependent situations. As a specific example we study the stationary state transport through a quantum dot with local Coulomb correlations. We discuss the influence of finite bias voltage and temperature on the current and conductance.

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