The generators of Lorentz transformation in momentum space |
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| Authors: | Pengfei Zhang and Tunan Ruan |
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| Institution: | 1. CCAST (World Lab), P. O. Box,8730, Beijing,100080, China
2. National Synchrotron Radiation Laboratory and Department of Modem Physics, University of Science and Technology of China, Hefei,230029, China |
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| Abstract: | In the momentum space, the angular momentum operator and the boost vector operator,i.e. the generators for the Lorentz transformation of a particle with arbitrary spin and nonzero mass are discussed. Some new expressions are obtained in terms of the orbital and spin parts.`` |
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| Keywords: | momentum space angular momentum operator boost vector operator |
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