Two-point functions with an invariant Planck scale and thermal effects

Details Two-point functions with an invariant Planck scale and thermal effects Two-point functions with an invariant Planck scale and thermal effects

2008-04-03

arxiv.org/abs/0804.0513v1

Phys.Rev.D77:124032,2008

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, no figures

Scientific paper

10.1103/PhysRevD.77.124032

Nonlinear deformations of relativistic symmetries at the Planck scale are usually addressed in terms of modified dispersion relations. We explore here an alternative route by directly deforming the two-point functions of an underlying field theory. The proposed deformations depend on a length parameter (Planck length) and preserve the basic symmetries of the corresponding theory. We also study the physical consequences implied by these modifications at the Planck scale by analyzing the response function of an accelerated detector in Minkowski space, an inertial one in de Sitter space, and also in a black hole spacetime.

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