Berlin 2005 – wissenschaftliches Programm

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DY: Dynamik und Statistische Physik

DY 34: Poster

DY 34.11: Poster

Montag, 7. März 2005, 15:30–18:00, Poster TU D

Periodically controlled qubit system coupled to an environment — •Marcus Stollsteimer and Günter Mahler — Universität Stuttgart, Institut für Theoretische Physik 1, Pfaffenwaldring 57, D-70550 Stuttgart

We study the thermodynamic properties of a small quantum system which is subject to periodic external parameter control (Floquet-type system). This system proper is coupled to another quantum system that acts as environment or “bath”. We consider the existence of “quasi-equilibrium” states, similar to the equilibrium states of the zero-control case, and the characteristics of these states.