| Random Motion of a Charged Test Particle with a Classical Constant Velocity in Vacuum in a Cylindrical Spacetime |
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| 引用本文： | 张佳林 余洪伟. 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 |
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| 作者姓名： | 张佳林 余洪伟 |
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| 作者单位： | [1]Department of Physics and Institute of Physics, Hunan Normal University, Changsha 410081 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10375023, the Program for NCET （No 04-0784）, and the Key Project of the Ministry of Education of China （No 205110）. |
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| 摘 要： |
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| 关 键 词： | 随机运动 粒子 圆柱时空 电磁波动 离散函数 |
| 收稿时间： | 2005-05-14 |
| 修稿时间： | 2005-05-14 |
Random Motion of a Charged Test Particle with a Classical Constant Velocity in Vacuum in a Cylindrical Spacetime |
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| Zhang JiaLin;Yu HongWei. Random Motion of a Charged Test Particle with a Classical Constant Velocity in Vacuum in a Cylindrical Spacetime[J]. Chinese Physics Letters, 2005, 22(10): 2485-2488 |
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| Authors: | Zhang JiaLin Yu HongWei |
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| 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. |
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