Resonant particle production with nonminimally coupled scalar fields in preheating after inflation

研究成果: Article査読

93 被引用数 (Scopus)

抄録

We investigate the resonant particle production of a scalar field (Formula presented) coupled nonminimally to a spacetime curvature (Formula presented) (Formula presented) as well as to an inflaton field φ (Formula presented) In the case of (Formula presented) the ξ effect assists g resonance in certain parameter regimes. However, for (Formula presented) (Formula presented) resonance is not enhanced by the (Formula presented) effect because of the (Formula presented) suppression effect as well as a back reaction effect. If (Formula presented) the maximal fluctuation of produced (Formula presented) particles is (Formula presented) for (Formula presented) which is larger than the minimally coupled case with (Formula presented)

本文言語English
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
60
6
DOI
出版ステータスPublished - 1999

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 物理学および天文学(その他)

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