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Space-Like Form of Bethe-Salpeter Equation: Many Particles |
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| Authors: | WANG AnMin RUAN TuNan |
| Affiliation: | 1. CCAST (World Laboratory), P.O. Box 8730, Beijing 100080, China;2. Laboratory of Quantum Communication and Quantum Computation, University of Science and Technology of China, Hefei 230027, China;3. Department of Modern Physics, University of Science and Technology of China, P.O. Box 4, Hefei 230027, China |
| Abstract: | The Gell-Mann and Low's technology and Bethe-Salpeter equation for manyparticles are first discussed. Then the space-like form of Bethe-Salpeter equation involving both the bound state and scatter state are extended to many-particle case. Consequently we build the formalism of the space-like equation with explicit Lorentz covariant form and without the difficulty of ghost states automatically. |
| Keywords: | Bethe-Salpeter equation many particles quantum field theory composite particle |
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