An Introduction to Quantum Field Theory in de Sitter space-time

Details An Introduction to Quantum Field Theory in de Sitter space-time An Introduction to Quantum Field Theory in de Sitter space-time

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..910..218g&link_type=abstract

COSMOLOGY AND GRAVITATION: XIIth Brazilian School of Cosmololy and Gravitation. AIP Conference Proceedings, Volume 910, pp. 218

Physics

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Quantum Field Theory In Curved Spacetime, Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

The aim of these lectures is to present a survey of rigourous quantization results obtained in recent works on quantum free fields in de Sitter space. We will particularly emphasize the symmetry principles ruling the construction of these quantum fields. For the ``massive'' cases which are associated to the principal series representations of the de Sitter group SO(1,4), the construction is based on analyticity requirements on the Wightman two-point function. For the ``massless'' cases ( e.g., minimally coupled or conformal), associated to the discrete series, the quantization schemes are of the Gupta-Bleuler-Krein type.

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