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Hadamard function, stress tensor, and de Sitter space
Phys. Rev. D 34, 2286 – Published 15 October, 1986
DOI: https://doi.org/10.1103/PhysRevD.34.2286
Abstract
Using the ‘‘Hadamard’’ formalism, we derive the general expression of the renormalized vacuum expectation value of the stress tensor of a massive scalar field. We apply this formalism to the O(1,4)- and E(3)-invariant vacua of de Sitter space.
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