Nondemolition observation of a free quantum particle

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dc.creatorBelavkin, V. P.
dc.creatorStaszewski, P.
dc.date2005-12-17
dc.date.accessioned2026-07-07T06:56:39Z
dc.date.available2026-07-07T06:56:39Z
dc.descriptionA stochastic model of a continuous nondemolition observation of a free quantum Brownian motion is presented. The nonlinear stochastic wave equation describing the posterior dynamics of the observed quantum system is solved in a Gaussian case for a free particle of mass m. It is shown that the dispersion of the wave packet does not increase to infinity like for the free unobserved particle but tends to the finite limit.
dc.description14 pages. See more related papers at the URL: http://www.maths.nott.ac.uk/personal/vpb/research/
dc.identifierhttps://arxiv.org/abs/quant-ph/0512138
dc.identifierhttp://arxiv.org/abs/quant-ph/0512138
dc.identifierPhys. Rev. A, 45 (1992) No 3, 1347--1356
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/106719
dc.subjectQuantum Physics
dc.titleNondemolition observation of a free quantum particle
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