Stability Conditions For a Noncommutative Scalar Field Coupled to Gravity

  • Orfeu Bertolami, Carlos A. D. Zarro
  • Published 2009


We consider a noncommutative scalar field with a covariantly constant noncommutative parameter in a curved space-time background. For a potential as a noncommutative polynomial it is shown that the stability conditions are unaffected by the noncommutativity, a result that is valid irrespective whether space-time has horizons or not. ∗ Also at Instituto de… (More)


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