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Quantum Jumps and Entropy Production by Breuer, Heinz-Peter is a scholarly article available to read on EtoBox.

What is Quantum Jumps and Entropy Production about?

The irreversible motion of an open quantum system can be represented through an ensemble of state vectors following a stochastic dynamics with piecewise deterministic paths. It is shown that this representation leads to a natural definition of the rate of quantum entropy production. The entropy production rate is expressed in terms of the von Neumann entropy and of the numbers of quantum jumps corresponding to the various decay channels of the open system. The proof of the positivity and of the convexity of the entropy production rate is given. Monte Carlo simulations of the stochastic dynamics of a driven qubit and of a $\Lambda$-configuration involving a dark state are performed in order to illustrate the general theory.

Author

Breuer, Heinz-Peter

Published

2003

Language

EN