CPT Violation and Decoherence in Quantum Gravity

Details CPT Violation and Decoherence in Quantum Gravity CPT Violation and Decoherence in Quantum Gravity

2009-04-03

arxiv.org/abs/0904.0606v1

J.Phys.Conf.Ser.171:012007,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

37 pages latex, 8 eps figures incorporated, uses special macros. Based on plenary talk at DISCRETE '08 Conference, IFIC, Valen

Scientific paper

10.1088/1742-6596/171/1/012007

In this brief review I discuss ways and tests of CPT-Violation in the context of quantum gravity theories with space-time foam vacua, which entail quantum decoherence of matter propagating in such backgrounds. I cover a wide variety of sensitive probes, ranging from cosmic neutrinos to meson factories. I pay particular emphasis on associating the latter with specific, probably unique ("smoking-gun"), effects of this type of CPT Violation, related to a modification of Einstein-Podolsky-Rosen (EPR) correlations in the entangled states of the relevant neutral mesons. I also present some semi-microscopic estimates of these latter effects, in the context of a specific string-inspired model of space-time foam ("D-particle foam").

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