Probing models of quantum decoherence in particle physics and cosmology

Details Probing models of quantum decoherence in particle physics and cosmology Probing models of quantum decoherence in particle physics and cosmology

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jphcs..67a2011m&link_type=abstract

Journal of Physics: Conference Series, Volume 67, Issue 1, pp. 012011 (2007).

Physics

2

Scientific paper

In this review we discuss the string theoretical motivations for induced decoherence and deviations from ordinary quantum-mechanical behaviour; this leads to intrinsic CPT violation in the context of an extended class of quantum-gravity models. We proceed to a description of precision tests of CPT symmetry and quantum mechanics using mainly neutral kaons and neutrinos. We emphasize the possibly unique rôle of neutral meson factories in providing tests of models where the quantum-mechanical CPT operator is not well-defined, leading to modifications of Einstein-Podolsky-Rosen particle correlators. Finally, we discuss experimental probes of decoherence in cosmology, including studies of dissipative relaxation models of dark energy in non-critical (non-equilibrium) string theory and the associated modifications of the Boltzmann equation for the evolution of species abundances.

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