EPJ Web Conf.
Volume 166, 2018KLOE-2 Workshop on e+ e- Collision Physics at 1 GeV
|Number of page(s)||10|
|Published online||05 January 2018|
Decoherence and discrete symmetries in deformed relativistic kinematics
Dipartimento di Fisica and INFN, “Sapienza” University of Rome, P.le A. Moro 2, 00185 Roma, EU
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Published online: 5 January 2018
Models of deformed Poincaré symmetries based on group valued momenta have long been studied as effective modifications of relativistic kinematics possibly capturing quantum gravity effects. In this contribution we show how they naturally lead to a generalized quantum time evolution of the type proposed to model fundamental decoherence for quantum systems in the presence of an evaporating black hole. The same structures which determine such generalized evolution also lead to a modification of the action of discrete symmetries and of the CPT operator. These features can in principle be used to put phenomenological constraints on models of deformed relativistic symmetries using precision measurements of neutral kaons.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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