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- Title
THE POSSIBILITY OF INFLATION IN ASYMPTOTICALLY SAFE GRAVITY.
- Authors
HONG, SUNGWOOK E.; LEE, YOUNG JAE; ZOE, HEESEUNG
- Abstract
We examine the inflationary modes in the cubic curvature theories in the context of asymptotically safe gravity. On the phase space of the Hubble parameter, there exists a critical point which corresponds to the slow-roll inflation in Einstein frame. Most of the e-foldings are attained around the critical point for each inflationary trajectories. If the coupling constants gi have the parametric relations generated as the power of the relative energy scale of inflation H0 to the cutoff Λ, a successful inflation with more than 60 e-foldings occurs near the critical point.
- Subjects
PRICE inflation; GRAVITY; HUBBLE constant; EINSTEIN field equations; TRAJECTORIES (Mechanics); COUPLING constants
- Publication
International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2012, Vol 21, Issue 7, p-1
- ISSN
0218-2718
- Publication type
Article
- DOI
10.1142/S0218271812500629