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Brownian motion of a quantum particle

Brownian motion of a quantum particle Proposed here is an exactly soluble model for the field-free motion of a quantum particle interacting with a heat bath. The heat-bath interaction includes a fluctuating random force and a frictional force of Langevin type. The momentum and position distributions obtained in the model have a close relation to the corresponding solutions of the Fokker-Planck equation of a free classical particle. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review A American Physical Society (APS)

Brownian motion of a quantum particle

Kumar, Deepak
Physical Review A , Volume 29 (3) – Mar 1, 1984
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Publisher
American Physical Society (APS)
Copyright
Copyright © 1984 The American Physical Society
ISSN
1094-1622
DOI
10.1103/PhysRevA.29.1571
Publisher site
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Abstract

Proposed here is an exactly soluble model for the field-free motion of a quantum particle interacting with a heat bath. The heat-bath interaction includes a fluctuating random force and a frictional force of Langevin type. The momentum and position distributions obtained in the model have a close relation to the corresponding solutions of the Fokker-Planck equation of a free classical particle.

Journal

Physical Review A – American Physical Society (APS)

Published: Mar 1, 1984

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