Lorentz invariance vs. temperature in QFT |
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| Authors: | Izumi Ojima |
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| Affiliation: | (1) Research Institute for Mathematical Sciences, Kyoto University, 606 Kyoto, Japan |
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| Abstract: | The Lorentz invariance of a relativistic QFT is shown to be broken spontaneously at finite temperature with a zero-energy Goldstone spectrum which does not necessarily carry a one-particle structure. The Lorentz behaviour of the temperature is determined and the relation between Gibbs states in different Lorentz frames is clarified. |
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