ISS-flation

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Inflation may occur while rolling into the metastable supersymmetry-breaking vacuum of massive supersymmetric QCD. We explore the range of parameters in which slow-roll inflation and long-lived metastable supersymmetry breaking may be simultaneously realized. The end of slow-roll inflation in this context coincides with the spontaneous breaking of a global symmetry, which may give rise to significant curvature perturbations via inhomogeneous preheating. Such spontaneous symmetry breaking at the end of inflation may give rise to observable non-gaussianities, distinguishing this scenario from more conventional models of supersymmetric hybrid inflation.

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26 pages

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Craig, Nathaniel J. & /SLAC /Stanford U., ITP February 6, 2008.

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Description

Inflation may occur while rolling into the metastable supersymmetry-breaking vacuum of massive supersymmetric QCD. We explore the range of parameters in which slow-roll inflation and long-lived metastable supersymmetry breaking may be simultaneously realized. The end of slow-roll inflation in this context coincides with the spontaneous breaking of a global symmetry, which may give rise to significant curvature perturbations via inhomogeneous preheating. Such spontaneous symmetry breaking at the end of inflation may give rise to observable non-gaussianities, distinguishing this scenario from more conventional models of supersymmetric hybrid inflation.

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26 pages

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  • Journal Name: Submitted to JHEP

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  • Report No.: SLAC-PUB-13119
  • Grant Number: AC02-76SF00515
  • DOI: 10.1088/1126-6708/2008/02/059 | External Link
  • Office of Scientific & Technical Information Report Number: 923306
  • Archival Resource Key: ark:/67531/metadc902198

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  • February 6, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 29, 2016, 4:33 p.m.

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Craig, Nathaniel J. & /SLAC /Stanford U., ITP. ISS-flation, article, February 6, 2008; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc902198/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.