Initial conditions for slow-roll inflation in a random Gaussian landscape
Journal Article
·
· Journal of Cosmology and Astroparticle Physics
- Institute of Cosmology, Department of Physics and Astronomy, Tufts University, Medford, MA 02155 (United States)
In the landscape perspective, our Universe begins with a quantum tunneling from an eternally-inflating parent vacuum, followed by a period of slow-roll inflation. We investigate the tunneling process and calculate the probability distribution for the initial conditions and for the number of e-folds of slow-roll inflation, modeling the landscape by a small-field one-dimensional random Gaussian potential. We find that such a landscape is fully consistent with observations, but the probability for future detection of spatial curvature is rather low, P ∼ 10{sup −3}.
- OSTI ID:
- 22676126
- Journal Information:
- Journal of Cosmology and Astroparticle Physics, Vol. 2017, Issue 07; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1475-7516
- Country of Publication:
- United States
- Language:
- English
Similar Records
Inflation in random Gaussian landscapes
On the Issue of the {zeta} series convergence and loop corrections in the generation of observable primordial non-Gaussianity in slow-roll inflation. II. The trispectrum
Universality of the Volume Bound in Slow-Roll Eternal Inflation
Journal Article
·
Mon May 01 00:00:00 EDT 2017
· Journal of Cosmology and Astroparticle Physics
·
OSTI ID:22676126
On the Issue of the {zeta} series convergence and loop corrections in the generation of observable primordial non-Gaussianity in slow-roll inflation. II. The trispectrum
Journal Article
·
Fri Jan 15 00:00:00 EST 2010
· Physical Review. D, Particles Fields
·
OSTI ID:22676126
Universality of the Volume Bound in Slow-Roll Eternal Inflation
Journal Article
·
Wed Mar 28 00:00:00 EDT 2012
· Submitted to Journal of High Energy Physics (JHEP)
·
OSTI ID:22676126