9706051v1

related topics
{time, decoherence, evolution}
{energy, gaussian, time}
{cavity, atom, atoms}
{particle, mechanics, theory}
{temperature, thermal, energy}
{level, atom, field}
{theory, mechanics, state}
{bell, inequality, local}
{time, systems, information}
{entanglement, phys, rev}
{light, field, probe}
{state, states, coherent}
{field, particle, equation}
{force, casimir, field}
{group, space, representation}
{key, protocol, security}
{measurement, state, measurements}

Vacuum Fluctuations and Decoherence in Mesoscopic and Microscopic Systems

John Ellis, N. E. Mavromatos, D. V. Nanopoulos

abstract: We discuss recent experimental evidence of decoherence in a laboratory mesoscopic system in a cavity, from which we draw analogies with the decoherence that we argue is induced by microscopic quantum-gravity fluctuations in the space-time background. We emphasize the parallel r\^oles played in both cases by dissipation through non-trivial vacuum fluctuations that trigger the collapse of an initially coherent quantum state. We review a phenomenological parametrization of possible effects of this kind in the neutral kaon system, where they would induce CPT violation, and describe some epxerimental tests.

oai_identifier:
oai:arXiv.org:quant-ph/9706051
categories:
quant-ph gr-qc hep-ph hep-th
comments:
17 pages LATEX, 1 macro (sprocl.sty) required. Contribution to the Symposium on Flavour-Changing Neutral Currents: Present and Future Studies, UCLA (USA), February 1997
arxiv_id:
quant-ph/9706051
report_no:
CERN-TH/97-133, CTP-TAMU-28/97, ACT-10/97, OUTP-29P
created:
1997-06-23

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