The taming of the alpha-vacuum

Details The taming of the alpha-vacuum The taming of the alpha-vacuum

2004-10-22

arxiv.org/abs/hep-th/0410228v1

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, 1 eps figure, talk given at PASCOS 2004

Scientific paper

When examining a field theory in a general state, the propagator must be made
consistent with that state and new counterterms are allowed if the state breaks
some of the space-time's symmetries. This talk describes the specific example
of how the propagator for the alpha-vacua of de Sitter space must become the
Green's function for two antipodal sources to obtain a renormalizable theory.

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