Exact quantum jump approach to open systems in Bosonic and spin baths

Details Exact quantum jump approach to open systems in Bosonic and spin baths Exact quantum jump approach to open systems in Bosonic and spin baths

2003-08-09

arxiv.org/abs/quant-ph/0308052v1

Phys. Rev. A 69, 022115 (2004).

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevA.69.022115

A general method is developed which enables the exact treatment of the non-Markovian quantum dynamics of open systems through a Monte Carlo simulation technique. The method is based on a stochastic formulation of the von Neumann equation of the composite system and employs a pair of product states following a Markovian random jump process. The performance of the method is illustrated by means of stochastic simulations of the dynamics of open systems interacting with a Bosonic reservoir at zero temperature and with a spin bath in the strong coupling regime.

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