Chaotic inflation with a running nonminimal coupling

Toshifumi Futamase

doi:10.1103/PhysRevD.60.063511

Chaotic inflation with a running nonminimal coupling

Toshifumi Futamase

SCI - Astronomy

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

We find a successful model of chaotic inflation with an inflaton coupled nonminimally with gravity where the coupling constant (Formula presented) runs with the evolution of the inflaton. The running of the coupling is slow enough for natural values of the Yukawa couplings. If a small value of (Formula presented) is chosen at any given scale M, then the coupling remains small enough to have a sufficient period of inflation.

Original language	English
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	60
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevD.60.063511
Publication status	Published - 1999

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.60.063511

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AB - We find a successful model of chaotic inflation with an inflaton coupled nonminimally with gravity where the coupling constant (Formula presented) runs with the evolution of the inflaton. The running of the coupling is slow enough for natural values of the Yukawa couplings. If a small value of (Formula presented) is chosen at any given scale M, then the coupling remains small enough to have a sufficient period of inflation.

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