Dirac fields and thermal effects in the de Sitter universe

Details Dirac fields and thermal effects in the de Sitter universe Dirac fields and thermal effects in the de Sitter universe

Nov 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cqgra..18.4373b&link_type=abstract

Classical and Quantum Gravity, Volume 18, Issue 21, pp. 4373-4394 (2001).

Physics

13

Scientific paper

We present a study of Dirac quantum fields in a four-dimensional de Sitter spacetime. The theory is based on the requirement of precise analyticity properties of the waves and the correlation functions in the complexification of the de Sitter manifold. Holomorphic de Sitter spinorial plane waves are introduced in this way and used to construct the two-point functions, whose properties are fully characterized. The physical interpretation of the analyticity properties of Wightman's functions in terms of a KMS-type thermal condition is also given.

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