Transport equations for the inflationary spectral index

Dias, Mafalda and Seery, David (2012) Transport equations for the inflationary spectral index. Physical Review D, 85 (4). 043519-1-043519-6. ISSN 1550-7998

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Abstract

We present a simple and efficient method to compute the superhorizon evolution of the spectral index in multifield inflationary models, using transport equation techniques. We illustrate the evolution of n(s) with time for various interesting potentials.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects: Q Science > QB Astronomy > QB0980 Cosmogony. Cosmology
Depositing User: David Seery
Date Deposited: 25 Sep 2012 09:57
Last Modified: 07 Mar 2017 17:05
URI: http://sro.sussex.ac.uk/id/eprint/40581

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