Real-time Monte-Carlo simulations for dissipative tight-binding systems and time local master equations

Details Real-time Monte-Carlo simulations for dissipative tight-binding systems and time local master equations Real-time Monte-Carlo simulations for dissipative tight-binding systems and time local master equations

2006-02-03

arxiv.org/abs/cond-mat/0602078v1

Chem. Phys. 322, 200 (2006)

Physics

Condensed Matter

Statistical Mechanics

10 pages, 5 figures; accepted by Chem. Phys

Scientific paper

10.1016/j.chemphys.2005.07.025

The numerically exact path integral Monte Carlo approach for the real-time evolution of dissipative quantum systems (PIMC), particularly suited for systems with discrete configuration space (tight-binding systems), is extended to treat spatially continuous and correlated many-body systems. This way, one has to consider generalized tight-binding lattices with either non-equidistant spacing or in higher dimensions, which in turn allows to analyze to what extent Markovian master equations can be applied beyond the usually studied spin-boson type of models.

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