THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
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Re-estimatation of the Upper Limit on the Photon Mass with the Solar Wind Method |
LIU Lin-Xia1, SHAO Cheng-Gang2** |
1Department of Electronics and Communication Engineering, Henan Mechanical and Electrical Engineering College, Xinxiang 453002 2School of Physics, Huazhong University of Science and Technology, Wuhan 430074
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Cite this article: |
LIU Lin-Xia, SHAO Cheng-Gang 2012 Chin. Phys. Lett. 29 111401 |
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Abstract The currently accepted value for the upper limit on the photon rest mass comes from a rough estimate based on the solar wind method. We reconsider this method and present a more detailed analysis of the electromagnetic fields in interplanetary space. The simple analytic expressions for the solar wind magnetic field, electric field and current are obtained with a finite photon mass. The upper limit on the photon mass is re-estimated as mγ<0.8×10?54 kg, which improves the current bound by up a factor of 2, and further confirms the reliability of the solar wind method.
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Received: 18 June 2012
Published: 28 November 2012
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