Random Motion of a Charged Test Particle with a Classical Constant Velocity in Vacuum in a Cylindrical Spacetime
ZHANG Jia-Lin, YU Hong-Wei
Department of Physics and Institute of Physics, Hunan Normal University, Changsha 410081
Random Motion of a Charged Test Particle with a Classical Constant Velocity in Vacuum in a Cylindrical Spacetime
ZHANG Jia-Lin;YU Hong-Wei
Department of Physics and Institute of Physics, Hunan Normal University, Changsha 410081
关键词 ：
04.62.+v ,
04.20.Gz ,
03.70.+k
Abstract ： We examine the random motion of a charged test particle with a nonzero classical velocity driven by quantum electromagnetic vacuum fluctuations in a cylindrical spacetime and calculate both the velocity and position dispersions of the test particle. It is found that the dispersions display different behaviour in different directions. These differences can be understood as a result of the topology of the configuration and initial physical conditions.
Key words ：
04.62.+v
04.20.Gz
03.70.+k
出版日期: 2005-10-01
:
04.62.+v
(Quantum fields in curved spacetime)
04.20.Gz
(Spacetime topology, causal structure, spinor structure)
03.70.+k
(Theory of quantized fields)
引用本文:
ZHANG Jia-Lin;YU Hong-Wei. Random Motion of a Charged Test Particle with a Classical Constant Velocity in Vacuum in a Cylindrical Spacetime[J]. 中国物理快报, 2005, 22(10): 2485-2488.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I10/2485
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