3 years ago

Oscillating scalar fields in extended quintessence

Oscillating scalar fields in extended quintessence
Dan Li, Shi Pi, Robert J. Scherrer
We study a rapidly oscillating scalar field with potential $V(ϕ)=k|ϕ{|}^{n}$ nonminimally coupled to the Ricci scalar $R$ via a term of the form $(1−8π{G}_{0}ξ{ϕ}^{2})R$ in the action. In the weak coupling limit, we calculate the effect of the nonminimal coupling on the time-averaged equation of sta...

Publisher URL: http://link.aps.org/doi/10.1103/PhysRevD.97.023530

DOI: 10.1103/PhysRevD.97.023530

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