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Regensburg 2007 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 24: Poster I

DY 24.5: Poster

Mittwoch, 28. März 2007, 16:00–18:00, Poster D

On the characterization of generalized quantum thermodynamic machines — •Georg Reuther, Markus Henrich, and Günter Mahler — Institut für Theoretische Physik 1, Universität Stuttgart, 70569 Stuttgart

Quantum thermodynamic machines have attracted more and more attention in the past years. It is possible to show that a spin chain with a nearest neighbor Heisenberg interaction which is exposed to a global temperature gradient provided by two heat baths behaves like a heat pump or heat engine if parts of the chain are modulated periodically [1]. We characterize the behavior of different spin chain and spin network configurations with regard to efficiency and other thermodynamic properties.

[1] M. J. Henrich, M. Michel, G. Mahler, cond-mat/0604202

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