Acceptable density perturbations from inflation due to quantum gravitational damping

Details Acceptable density perturbations from inflation due to quantum gravitational damping Acceptable density perturbations from inflation due to quantum gravitational damping

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrvl..60.2229p&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 60, May 30, 1988, p. 2229, 2230.

Astronomy and Astrophysics

Astronomy

33

Cosmology, Density Wave Model, Gravitational Waves, Quantum Mechanics, Astronomical Models, Space Density

Scientific paper

Nonperturbative quantum gravitational effects can act as a damping mechanism in primordial inflation. It is shown that this effect can reduce the value of δρ/ρ to an acceptable value of ≡10-4 in primordial inflation. The same effect reduces the gravitational-wave background by a factor 10-6, making the primordial inflation viable.

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