Leptogenesis from Pseudo-Scalar Driven Inflation

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We examine recent claims for a considerable amount of leptogenesis, in some inflationary scenarios, through the gravitational anomaly in the lepton number current. We find that when the short distances contributions are properly included the amount of lepton number generated is actually much smaller.
JHEP style, 11 pages. Corrected typo

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/193515

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0708.3828
 http://arxiv.org/abs/0708.3828
 JHEP0710:066,2007
 doi:10.1088/1126-6708/2007/10/066

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arXiv