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Gravitational waves in preheating

Name: Gravitational waves in preheating
Keywords: Astrophysics (astro-ph), FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), preheating era, Astrophysics, Relativistic gravitational theories other than Einstein's, including asymmetric field theories, inflaton, General Relativity and Quantum Cosmology, Gravitational waves, High Energy Physics - Phenomenology

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 03 Jul 2000Embargo end date: 01 Jan 2000 United Kingdom Publisher:IOP PublishingJournal:Classical and Quantum Gravity, volume 17, pages 2,875-2,883 (issn: 0264-9381, eissn: 1361-6382,

Authors: Tilley, Daniel; Maartens, Roy;

doi: 10.1088/0264-9381/17/15/303 , 10.48550/arxiv.gr-qc/0002089

arXiv: http://arxiv.org/abs/gr-qc/0002089

Gravitational waves in preheating

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Abstract

We study the evolution of gravitational waves through the preheating era that follows inflation. The oscillating inflaton drives parametric resonant growth of scalar field fluctuations, and although super-Hubble tensor modes are not strongly amplified, they do carry an imprint of preheating. This is clearly seen in the Weyl tensor, which provides a covariant description of gravitational waves.

8 pages, 8 figures, Revtex

Country

United Kingdom

Related Organizations

University of Portsmouth
United Kingdom

Keywords

Astrophysics (astro-ph), FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), preheating era, Astrophysics, Relativistic gravitational theories other than Einstein's, including asymmetric field theories, inflaton, General Relativity and Quantum Cosmology, Gravitational waves, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), gravitational waves, super-Hubble tensor, Weyl tensor, Applications of global differential geometry to the sciences

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