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Casimir Force in a One-Dimensional Cavity with Quasimode
Authors:PAN Shu-Mei  TIAN Tian  YANG Hui  ZHENG Tai-Yu  ZHANG Xue  SHAO Xiao-Qiang  ZHENG Li
Affiliation:1. School of Physics, Northeast Normal University, Changchun 130024, China;2. Key laboratory of Frontiers in Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China;3. Information Science and Engineering College, Dalian Polytechnic University, Dalian 116034, China
Abstract:
We calculate the Casimir force between a perfect reflective wall and a semitransparent wall in the laser cavity. Using the Fox-Li quasimode theory to describe the electromagnetic field in the laser cavity, the vacuum energy and the Casimir force are calculated. We compare our results to the force in the ideal situation and find it smaller in the dissipative cavity. We also find that the Casimir force decreases with the increase of the wall-wall distance and the decay rate of the quasimodes in the laser cavity.
Keywords:Casimir force   Fox-Li quasimode
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