Observational constraint on the fourth derivative of the inflaton potential - INSPIRE

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Observational constraint on the fourth derivative of the inflaton potential

Oct, 2002

3 pages

Published in:

Mon.Not.Roy.Astron.Soc. 339 (2003) 212-214

e-Print:

hep-ph/0210095 [hep-ph]

DOI:

10.1046/j.1365-8711.2003.06164.x

View in:

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Abstract:

We consider the flow-equations for the 3 slow-roll parameters n_S (scalar spectral index), r (tensor to scalar ratio), and dn_S/dlnk (running of the spectral index). We show that the combination of these flow-equations with the observational bounds from cosmic microwave background and large scale structure allows one to put a lower bound on the fourth derivative of the inflationary potential, M_P^4(V''''/V) > -0.02.

inflation
inflaton: potential
cosmic background radiation
numerical calculations: interpretation of experiments

References(17)

Figures(0)

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