Quantum Field Theory in de Sitter space : A survey of recent approaches .


We present a survey of rigourous quantization results obtained in recent works on quantum free fields in de Sitter space. For the " massive " cases which are associated to principal series representations of the de Sitter group SO 0 (1, 4), the construction is based on analyticity requirements on the Wightman two-point function. For the " massless " cases… (More)


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