Vacuum fluctuations and Brownian motion of a charged test particle near a reflecting boundary

被引：0

作者：

Yu, HW ^{[1
]}

Ford, LH

机构：

[1] Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China

[2] Hunan Normal Univ, Inst Phys, Changsha 410081, Hunan, Peoples R China

[3] CCAST, World Lab, Beijing 100080, Peoples R China

[4] Tufts Univ, Dept Phys & Astron, Inst Cosmol, Medford, MA 02155 USA

来源：

PHYSICAL REVIEW D | 2004年 / 70卷 / 06期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

D O I：

10.1103/PhysRevD.70.065009

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the Brownian motion of a charged test particle coupled to electromagnetic vacuum fluctuations near a perfectly reflecting plane boundary. The presence of the boundary modifies the quantum fluctuations of the electric field, which in turn modifies the motion of the test particle. We calculate the resulting mean squared fluctuations in the velocity and position of the test particle. In the case of directions transverse to the boundary, the results are negative. This can be interpreted as reducing the quantum uncertainty which would otherwise be present.

引用

页数：4

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