Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-12-25
Phys.Lett.B673:83-89,2009
Physics
High Energy Physics
High Energy Physics - Theory
12 pages. Version to match the one to appear in Physics Letters B
Scientific paper
10.1016/j.physletb.2009.02.001
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.
Bertolami Orfeu
Zarro Carlos A. D.
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