Noncommutative Effects in the Black Hole Evaporation in Two Dimensions

Details Noncommutative Effects in the Black Hole Evaporation in Two Dimensions Noncommutative Effects in the Black Hole Evaporation in Two Dimensions

2006-07-11

arxiv.org/abs/hep-th/0607071v3

Phys.Rev.D74:104028,2006

Physics

High Energy Physics

High Energy Physics - Theory

33+1 pages, 3 eps figures, typos corrected, references added, figure 3 corrected, modifications in sections 4 and 6, version p

Scientific paper

10.1103/PhysRevD.74.104028

We discuss some possible implications of a two-dimensional toy model for black hole evaporation in noncommutative field theory. While the noncommutativity we consider does not affect gravity, it can play an important role in the dynamics of massless and Hermitian scalar fields in the event horizon of a Schwarzschild black hole. We find that noncommutativity will affect the flux of outgoing particles and the nature of its UV/IR divergences. Moreover, we show that the noncommutative interaction does not affect Leahy's and Unruh's interpretation of thermal ingoing and outgoing fluxes in the black hole evaporation process. Thus, the noncommutative interaction still destroys the thermal nature of fluxes. In the process, some nonlocal implications of the noncommutativity are discussed.

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