2004/10/22 by Hael Collins, Collins, Hael
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Theory (hep-th) #hep-th
paper · pdf · doi:10.48550/arxiv.hep-th/0410228
5 pages, 1 eps figure, talk given at PASCOS 2004
arxiv created 2004/10/22 · arxiv updated 2009/12/01
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.