de Sitter Tachyons and Related Topics
作者： Henri Epstein , Ugo Moschella
DOI: 10.1007/S00220-015-2308-X
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摘要: We present a complete study of family tachyonic scalar fields living on the de Sitter universe. show that for an infinite set discrete values negative squared mass, exhibit gauge symmetry and there exists them fully acceptable local covariant quantization similar to Feynman–Gupta–Bleuler free QED. For general squares masses we also construct positive where is spontaneously broken. discuss sense in which two quantizations may be considered physically inequivalent even when Lorentz invariant subspace second one.
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