The Imprint of Gravitational Waves in Models Dominated by a Dynamical Cosmic Scalar Field

Details The Imprint of Gravitational Waves in Models Dominated by a Dynamical Cosmic Scalar Field The Imprint of Gravitational Waves in Models Dominated by a Dynamical Cosmic Scalar Field

1997-10-06

arxiv.org/abs/astro-ph/9710062v1

Phys.Rev.D57:6057-6064,1998

Astronomy and Astrophysics

Astrophysics

15 pages, 14 figures, revtex, submitted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.57.6057

An alternative to the standard cold dark matter model has been recently proposed in which a significant fraction of the energy density of the universe is due to a dynamical scalar field ($Q$) whose effective equation-of-state differs from that of matter, radiation or cosmological constant ($\Lambda$). In this paper, we determine how the Q-component modifies the primordial inflation gravitational wave (tensor metric) contribution to the cosmic microwave background anisotropy and, thereby, one of the key tests of inflation.

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