Chaotic inflation with running nonminimal coupling

Japan); Masahiro Tanaka (Department of Physics; Ochanomizu University; Sendai; Tohoku University; Tokyo; Toshifumi Futamase (Astronomical Institute

Chaotic inflation with running nonminimal coupling

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arxiv hep-ph/9704303 v2 submitted 1997-04-12 hep-ph astro-phgr-qc

Toshifumi Futamase (Astronomical Institute , Tohoku University , Sendai , Japan) , Masahiro Tanaka (Department of Physics , Ochanomizu University , Tokyo This is my paper · ORCID

classification hep-phastro-phgr-qc

keywords couplinginflationchaoticinflatonnonminimalrunningbecomesconstant

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abstract

We have found a successful model of chaotic inflation with an inflaton coupled nonminimally with gravity. The nonminimal coupling constant $\xi$ runs with the evolution of the inflaton. The running nature of the coupling leads naturally to the situations where the coupling becomes small enough to have sufficient period of the inflation to resolve the cosmological puzzles.

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Gravitational waves from a first-order phase transition of the inflaton
hep-ph 2024-12 conditional novelty 5.0 of 10

A single non-minimally coupled dark Higgs can drive both inflation and a first-order phase transition whose gravitational waves fall within the reach of planned experiments.

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