Connecting two jumplike unravelings for non-Markovian open quantum systems

Details Connecting two jumplike unravelings for non-Markovian open quantum systems Connecting two jumplike unravelings for non-Markovian open quantum systems

2011-06-16

arxiv.org/abs/1106.3173v1

Phys. Rev. A 84, 032113 (2011)

Physics

Quantum Physics

11 pages, 7 figures

Scientific paper

10.1103/PhysRevA.84.032113

The development and use of Monte Carlo algorithms plays a visible role in the study of non-Markovian quantum dynamics due to the provided insight and powerful numerical methods for solving the system dynamics. In the Markovian case, the connections between the various types of methods are fairly well-understood while for non-Markovian case there has so far been only a few studies. We focus here on two jumplike unravelings of non-Markovian dynamics, the non-Markovian quantum jump (NMQJ) method and the property state method by Gambetta, Askerud, and Wiseman (GAW). The results for simple quantum optical systems illustrate the connections between the realizations of the two methods and also highlight how the probability currents between the system and environment, or between the property states of the total system, associate to the decay rates of time-local master equations, and consequently to the jump rates of the NMQJ method.

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