Graviton creation in an inflationary universe

Details Graviton creation in an inflationary universe Graviton creation in an inflationary universe

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994phrvd..49.1771h&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 49, Issue 4, 15 February 1994, pp.1771-1776

Physics

9

Particle-Theory And Field-Theory Models Of The Early Universe, Wave Generation And Sources

Scientific paper

Graviton creation in an expanding universe is studied. Following the
work of Parker, we calculate explicit expressions for the Bogoliubov
coefficients α and β as functions of time, valid in the
high-frequency limit and for an exponentially expanding phase of the
universe. The power spectrum of the created gravitons is investigated.

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