Ballistic Diffusion of a Charged Particle in a Blackbody Radiation Field

Chin. Phys. Lett.

2005, Vol. 22

Issue (8): 1845-1847 DOI:

Original Articles

Ballistic Diffusion of a Charged Particle in a Blackbody Radiation Field

BAO Jing-Dong;BAI Zhan-Wu

Department of Physics, Beijing Normal University, Beijing 100875

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BAO Jing-Dong, BAI Zhan-Wu 2005 Chin. Phys. Lett. 22 1845-1847

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Abstract The generalized Langevin equation is used to describe the motion of a charged particle interacting with a blackbody radiation field via dipole coupling. The exact expressions for the mean-square displacement and velocity of such a particle are obtained, which show a ballistic diffusion and a modified Kubo fluctuation--dissipation relation. In particular, a velocity-dependent coupling or force can induce this novel phenomenon.

Keywords: 05.40.Jc 05.10.Gg 05.40.Ca

Published: 01 August 2005

PACS:	05.40.Jc	(Brownian motion)
	05.10.Gg	(Stochastic analysis methods)
	05.40.Ca	(Noise)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I8/01845

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