Quintessence and gravitational waves

Alain Riazuelo and Jean-Philippe Uzan
Phys. Rev. D 62, 083506 – Published 25 September 2000
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Abstract

We investigate some aspects of quintessence models with a nonminimally coupled scalar field and in particular we show that it can behave as a component of matter with 3P/ρ0. We study the properties of gravitational waves in this class of models and discuss their energy spectrum and the cosmic microwave background anisotropies they induce. We also show that gravitational waves are damped by the anisotropic stress of the radiation and that their energy spectrum may help to distinguish between the inverse power law potential and supergravity motivated potential. We finish with a discussion on the constraints arising from their density parameter ΩGW.

  • Received 12 April 2000

DOI:https://doi.org/10.1103/PhysRevD.62.083506

©2000 American Physical Society

Authors & Affiliations

Alain Riazuelo*

  • Département d’Astrophysique Relativiste et de Cosmologie, CNRS-UMR 8629, Observatoire de Paris, F-92195 Meudon, France

Jean-Philippe Uzan

  • Laboratoire de Physique Théorique, CNRS-UMR 8627, Université Paris XI, Bât. 210, F-91405 Orsay Cedex, France
  • Département de Physique Théorique, Université de Genève, 24 quai E. Ansermet, CH-1211 Genève 4, Switzerland

  • *Email address: Alain.Riazuelo@obspm.fr
  • Email address: Jean-Philippe.Uzan@th.u-psud.fr

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Vol. 62, Iss. 8 — 15 October 2000

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