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Phys Rev Lett. 2008 May 9;100(18):180402. Epub 2008 May 5.

Non-Markovian quantum jumps.

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1
Department of Physics, University of Turku, FI-20014 Turun yliopisto, Finland.

Abstract

Open quantum systems that interact with structured reservoirs exhibit non-Markovian dynamics. We present a quantum jump method for treating the dynamics of such systems. This approach is a generalization of the standard Monte Carlo wave function (MCWF) method for Markovian dynamics. The MCWF method identifies decay rates with jump probabilities and fails for non-Markovian systems where the time-dependent rates become temporarily negative. Our non-Markovian quantum jump approach circumvents this problem and provides an efficient unraveling of the ensemble dynamics.

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