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Phys Rev E Stat Nonlin Soft Matter Phys. 2007 Mar;75(3):031115. doi: 10.1103/PhysRevE.75.031115. Epub 2007 Mar 23.

Influence of external magnetic field on dynamics of open quantum systems.

Physical review. E, Statistical, nonlinear, and soft matter physics

Sh A Kalandarov, Z Kanokov, G G Adamian, N V Antonenko

Affiliations

  1. Joint Institute for Nuclear Research, 141980 Dubna, Russia.

PMID: 17500676 DOI: 10.1103/PhysRevE.75.031115

Abstract

The influence of an external magnetic field on the non-Markovian dynamics of an open two-dimensional quantum system is investigated. The fluctuations of collective coordinate and momentum and transport coefficients are studied for a charged harmonic oscillator linearly coupled to a neutral bosonic heat bath. It is shown that the dissipation of collective energy slows down with increasing strength of the external magnetic field. The role of magnetic field in the diffusion processes is illustrated by several examples.

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