Blackbody radiation in κ-Minkowski spacetime

Details Blackbody radiation in κ-Minkowski spacetime Blackbody radiation in κ-Minkowski spacetime

2007-05-31

arxiv.org/abs/0705.4628v2

Phys.Rev.D76:105012,2007

Physics

High Energy Physics

High Energy Physics - Theory

22pages, No figure, some corrections, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.76.105012

We have computed the black body radiation spectra in $\kappa-$Minkowski space-time, using the quantum mechanical picture of massless scalar particles as well as effective quantum field theory picture. The black body radiation depends on how the field theory (and thus how the $\kappa-$Poincar\'e algebra) handles the ordering effect of the noncommutative space-time. In addition, there exists a natural momentum cut-off of the order $\kappa$, beyond which a new real mode takes its shape from a complex mode and the old real mode flows out to be a new complex mode. However, the new high momentum real mode should not be physical since its contributions to the black-body radiation spoils the commutative limit.

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