Abstract
This is a short review of work done in common with Jacques Bros, Michel Gaudin, Ugo Moschella, and Vincent Pasquier. Among results are explicit Källén–Lehmann representations for products of two free-field two-point functions in the de Sitter and the anti-de Sitter spaces and applications to particle decay.
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EPSTEIN, H. Remarks on quantum field theory on de Sitter and anti-de Sitter space-times. Pramana - J Phys 78, 853–864 (2012). https://doi.org/10.1007/s12043-012-0312-7
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DOI: https://doi.org/10.1007/s12043-012-0312-7