Inhomogeneous quantum diffusion and decay of a meta-stable state

Details Inhomogeneous quantum diffusion and decay of a meta-stable state Inhomogeneous quantum diffusion and decay of a meta-stable state

2006-08-11

arxiv.org/abs/cond-mat/0608269v1

Physics Letters A, Vol-360, Page-35, (2006)

Physics

Condensed Matter

Statistical Mechanics

To be published in Phys. Lett. A

Scientific paper

10.1016/j.physleta.2006.08.014

We consider the quantum stochastic dynamics of a system whose interaction with the reservoir is considered to be linear in bath co-ordinates but nonlinear in system co-ordinates. The role of the space-dependent friction and diffusion has been examined in the decay rate of a particle from a meta-stable well. We show how the decay rate can be hindered by inhomogeneous dissipation due nonlinear system-bath coupling strength.

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