$\kappa$-Poincar\'e phase space: speed of massless particles and relativity of spacetime locality
Giacomo Rosati, Niccolo Loret, Giovanni Amelino-Camelia
TL;DR
This paper reviews recent findings on $$-Poincare9 phase space, focusing on how it affects the speed of massless particles and the relativity of spacetime locality, with implications for Planck-scale physics.
Contribution
It summarizes recent results on $$-Poincare9 phase space, emphasizing the relativity of spacetime locality and its phenomenological implications.
Findings
Relativity of spacetime locality emerges in $$-Poincare9 phase space.
Potential Planck-scale effects on ultrarelativistic particle speeds.
Recent theoretical results connecting phase space structure to observable phenomena.
Abstract
The study of phase-space constructions based on the properties of the -Poincar\'e Hopf algebra has been a very active area, mostly because of its possible applications in the phenomenology of Planck-scale-induced momentum dependence of the speed of ultrarelativistic particles. We here summarize, with emphasis on the emerging relativity of spacetime locality, some results relevant for this research program that were recently reported in arXiv:1006.2126 (PhysRevLett106,071301) arXiv:1102.4637 (PhysLettB700,150) and arXiv:1107.1724 .
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