On the semiclassical Einstein-Langevin equation

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dc.creatorMartin, Rosario
dc.creatorVerdaguer, Enric
dc.date1998-11-19
dc.date1998-11-20
dc.date.accessioned2026-07-07T10:31:58Z
dc.date.available2026-07-07T10:31:58Z
dc.descriptionWe introduce a semiclassical Einstein-Langevin equation as a consistent dynamical equation for a first order perturbative correction to semiclassical gravity. This equation includes the lowest order quantum stress-energy fluctuations of matter fields as a source of classical stochastic fluctuations of the gravitational field. The Einstein-Langevin equation is explicitly solved around one of the simplest solutions of semiclassical gravity: Minkowski spacetime with a conformal scalar field in its vacuum state. We compute the two-point correlation function of the linearized Einstein tensor. This calculation illustrates the possibility of obtaining some ``non-perturbative'' behavior for the induced gravitational fluctuations that cannot be obtained in perturbative quantum gravity.
dc.description4 pages, RevTeX, no figures
dc.identifierhttps://arxiv.org/abs/gr-qc/9811070
dc.identifierhttp://arxiv.org/abs/gr-qc/9811070
dc.identifierPhys.Lett.B465:113-118,1999
dc.identifierdoi:10.1016/S0370-2693(99)01068-0
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178603
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.titleOn the semiclassical Einstein-Langevin equation
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