TWO-POINT FUNCTIONS AND QUANTUM FIELDS IN DE SITTER UNIVERSE

@article{Bros1996TWOPOINTFA,
  title={TWO-POINT FUNCTIONS AND QUANTUM FIELDS IN DE SITTER UNIVERSE},
  author={J. Bros and U. Moschella},
  journal={Reviews in Mathematical Physics},
  year={1996},
  volume={8},
  pages={327-391}
}
  • J. Bros, U. Moschella
  • Published 1996
  • Physics
  • Reviews in Mathematical Physics
  • We present a theory of general two-point functions and of generalized free fields in d-dimensional de Sitter space-time which closely parallels the corresponding Minkowskian theory. The usual spectral condition is now replaced by a certain geodesic spectral condition, equivalent to a precise thermal characterization of the corresponding “vacuum” states. Our method is based on the geometry of the complex de Sitter space-time and on the introduction of a class of holomorphic functions on this… CONTINUE READING
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