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Inhomogeneous quantum diffusion and decay of a meta-stable state

Abstract

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 to nonlinear system-bath coupling strength.
Authors:
Ghosh, Pulak Kumar; [1]  Barik, Debashis; [1]  Ray, Deb Shankar [1] 
  1. Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032 (India)
Publication Date:
Dec 18, 2006
Product Type:
Journal Article
Resource Relation:
Journal Name: Physics Letters. A; Journal Volume: 360; Journal Issue: 1; Other Information: DOI: 10.1016/j.physleta.2006.08.014; PII: S0375-9601(06)01224-2; Copyright (c) 2006 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA)
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; DIFFUSION; FRICTION; METASTABLE STATES; NONLINEAR PROBLEMS; QUANTUM MECHANICS; SPACE DEPENDENCE
OSTI ID:
20904929
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0375-9601; PYLAAG; TRN: NL07R9986067366
Submitting Site:
NLN
Size:
page(s) 35-43
Announcement Date:
Sep 20, 2007

Citation Formats

Ghosh, Pulak Kumar, Barik, Debashis, and Ray, Deb Shankar. Inhomogeneous quantum diffusion and decay of a meta-stable state. Netherlands: N. p., 2006. Web. doi:10.1016/j.physleta.2006.08.014.
Ghosh, Pulak Kumar, Barik, Debashis, & Ray, Deb Shankar. Inhomogeneous quantum diffusion and decay of a meta-stable state. Netherlands. https://doi.org/10.1016/j.physleta.2006.08.014
Ghosh, Pulak Kumar, Barik, Debashis, and Ray, Deb Shankar. 2006. "Inhomogeneous quantum diffusion and decay of a meta-stable state." Netherlands. https://doi.org/10.1016/j.physleta.2006.08.014.
@misc{etde_20904929,
title = {Inhomogeneous quantum diffusion and decay of a meta-stable state}
author = {Ghosh, Pulak Kumar, Barik, Debashis, and Ray, Deb Shankar}
abstractNote = {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 to nonlinear system-bath coupling strength.}
doi = {10.1016/j.physleta.2006.08.014}
journal = []
issue = {1}
volume = {360}
place = {Netherlands}
year = {2006}
month = {Dec}
}