Quantum heat transport: Perturbation theory in Liouville space

Autor(en): Michel, M
Gemmer, J 
Mahler, G
Stichwörter: Nanoscience & Nanotechnology; non-equilibrium and irreversible thermodynamics; Physics; Physics, Condensed Matter; quantum statistical mechanics; quantum transport; Science & Technology - Other Topics; SYSTEMS; THERMAL-CONDUCTIVITY
Erscheinungsdatum: 2005
Herausgeber: ELSEVIER SCIENCE BV
Journal: PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
Volumen: 29
Ausgabe: 1-2
Startseite: 129
Seitenende: 135
Zusammenfassung: 
We consider chains consisting of several identical Subsystems weakly coupled by various types of next-neighbor interactions. At both ends the chain is coupled to a respective heat bath with different temperature modeled by a Lindblad formalism. The temperature gradient introduced by this environment is then treated as an external perturbation. We propose a method to calculate the heat current and the local temperature profile of the resulting stationary state as well as the heat conductivity in such systems. This method is similar to Kubo techniques used, e.g., for electrical transport but extended here to the Liouville space. (c) 2005 Elsevier B.V. All rights reserved.
Beschreibung: 
International Conference on Frontiers of Quantum and Mesoscopic Thermodynamics (FQMT04), Prague, CZECH REPUBLIC, JUL 26-29, 2004
ISSN: 13869477
DOI: 10.1016/j.physe.2005.05.010

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