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Observable gravity waves from supersymmetric hybrid inflation

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
696
Issue
5
Identifiers
DOI: 10.1016/j.physletb.2011.01.002
Keywords
  • Phenomenology

Abstract

Abstract We identify models of supersymmetric hybrid inflation in which the tensor-to-scalar ratio, a canonical measure of gravity waves produced during inflation, can be as large as 0.03 or so, which will be tested by the Planck satellite experiment. The parameter space achieving this result is found to correspond to an intermediate-scale soft mass for the inflaton. The scalar spectral index lies within the WMAP one sigma bounds, while |dns/dlnk|≲0.01.

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