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Scientific article
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English

Enhancing inflationary tensor modes through spectator fields

Publication date2013
Abstract

We show that a large contribution to tensor modes during inflation can be generated by a spectator scalar field with a speed of sound lower than unity

Citation (ISO format)
BIAGETTI, Matteo, FASIELLO, Matteo, RIOTTO, Antonio Walter. Enhancing inflationary tensor modes through spectator fields. In: Physical review. D. Particles, fields, gravitation, and cosmology, 2013, vol. 88, n° 10. doi: 10.1103/PhysRevD.88.103518
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accessLevelPublic
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ISSN of the journal1550-2368
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