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Enhancing inflationary tensor modes through spectator fields

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Published in Physical Review. D. 2013, vol. 88, no. 10
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
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BIAGETTI, Matteo, FASIELLO, Matteo, RIOTTO, Antonio Walter. Enhancing inflationary tensor modes through spectator fields. In: Physical Review. D, 2013, vol. 88, n° 10. https://archive-ouverte.unige.ch/unige:36476

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Deposited on : 2014-05-12

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