Relic gravitational waves and extended inflation

Details Relic gravitational waves and extended inflation Relic gravitational waves and extended inflation

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvl..65.3080t&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 65, Dec. 17, 1990, p. 3080-3083. Research supported by NSF and DOE.

Astronomy and Astrophysics

Astronomy

77

Black Holes (Astronomy), Gravitational Waves, Relic Radiation, Flux Density, Hubble Constant, Perturbation Theory, Universe

Scientific paper

In extended inflation, a new version of inflation where the transition from an inflationary to a radiation-dominated universe is accomplished by bubble nucleation, bubble collisions supply a potent - and potentially detectable - source of gravitational waves. The energy density in relic gravitons from bubble collisions is expected to be about 0.00005 of closure density. Their characteristic wavelength depends on the reheating temperature. If black holes are produced by bubble collisions, they will evaporate, producing shorter-wavelength gravitons.

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