TY - JOUR

T1 - Models of inflation liberated by the curvaton hypothesis

AU - Dimopoulos, Konstantinos

AU - Lyth, David H.

PY - 2004/6/15

Y1 - 2004/6/15

N2 - It is usually supposed that inflation is of the slow-roll variety and that the inflaton generates the primordial curvature perturbation. According to the curvaton hypothesis, inflation need not be slow-roll, and if it is, the inflaton generates a negligible curvature perturbation. We find that the construction of slow-roll inflation models becomes much easier under this hypothesis. Also, thermal inflation followed by fast-roll becomes viable, with no slow-roll inflation at all.

AB - It is usually supposed that inflation is of the slow-roll variety and that the inflaton generates the primordial curvature perturbation. According to the curvaton hypothesis, inflation need not be slow-roll, and if it is, the inflaton generates a negligible curvature perturbation. We find that the construction of slow-roll inflation models becomes much easier under this hypothesis. Also, thermal inflation followed by fast-roll becomes viable, with no slow-roll inflation at all.

U2 - 10.1103/PhysRevD.69.123509

DO - 10.1103/PhysRevD.69.123509

M3 - Journal article

VL - 69

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 12

M1 - 123509

ER -