Graviton production in inflationary cosmology

Details Graviton production in inflationary cosmology Graviton production in inflationary cosmology

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986nuphb.264..487a&link_type=abstract

Nuclear Physics B, Volume 264, p. 487-492.

Physics

Nuclear Physics

86

Scientific paper

We provide a completely quantum-mechanical derivation of the spectrum of gravitational waves producedin any inflationary cosmology. The gravitational waves result from a sequence of Bogoliubov transformations between creation and annihilation operators defined in de Sitter space and in radiation- and matter-dominated Robertson-Walker spacetimes. We discuss how the results depend on the initial state at the beginning of the inflationary period.
Supported by a Fellowship from the Consejo Nacional de Investigaciones Científicas y Técnicas, República Argentina.

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