Accelerated horizons and Planck-scale kinematics
Abstract
We extend the concept of accelerated horizons to the framework of deformed relativistic kinematics at the Planck scale. We show that the non-trivial effects due to symmetry deformation manifest in a finite blueshift for field modes as measured by a Rindler observer approaching the horizon. We investigate whether, at a field theoretic level, this effect could manifest in the possibility of a finite horizon contribution to the entropy, a sort of covariant brick-wall. In the specific model of symmetry deformation considered it will turn out that a non-diverging density of modes close to the horizon can be achieved only by introducing a momentum space measure which violates Lorentz invariance.
Keywords
Cite
@article{arxiv.1711.05668,
title = {Accelerated horizons and Planck-scale kinematics},
author = {Michele Arzano and Matteo Laudonio},
journal= {arXiv preprint arXiv:1711.05668},
year = {2018}
}
Comments
10 pages, no figures. V2: typos corrected and references added. V3: References updated and expanded. Typos corrected. Added calculations of deformed entropy and its first order corrections in Section 5. Matches published version