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Paper   IPM / P / 12667
School of Physics
  Title:   Slow-roll trajectories in Chromo-Natural and Gauge-flation Models, an exhaustive analysis
  Author(s): 
1.  A. Maleknejad
2.  M. Zarei
  Status:   Preprint
  Journal:
  Year:  2012
  Supported by:  IPM
  Abstract:
We present an exhaustive analysis on the classical solutions of the Chromo-natural model. We showed that starting from an arbitrary axion field value χ0 ∈ (0,fπ), it is possible to have successful slow-roll inflation and working out the analytical solution of the number of e-folding, we determine the allowed region of the parameters corresponding to each χ0 value. Having the allowed parameter region, then we study the behavior of the solutions respect to the initial value of the axion field.

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