Inflation in uplifted Supergravities

Feb, 2007
21 pages
Published in:
  • JCAP 05 (2007) 002
e-Print:
Report number:
  • IFT-UAM-CSIC-07-07

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Abstract:
We present a model of slow-roll inflation in the context of effective Supergravities arising from string theories. The uplifting of the potential (to generate dS or Minkowski vacua) is provided by the D-term associated to an anomalous U(1), in a fully consistent and gauge invariant formulation. We develop a minimal working model which incorporates eternal topological inflation and complies with observational constraints, avoiding the usual obstacles to implement successful inflation (eta problem and initial condition problem among others).
  • string model
  • supersymmetry
  • effective action
  • supergravity
  • inflation
  • D-term
  • numerical calculations
  • bibliography