Spin gases as microscopic models for non-Markovian decoherence

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dc.creatorHartmann, L.
dc.creatorCalsamiglia, J.
dc.creatorDür, W.
dc.creatorBriegel, H. J.
dc.date2005-06-24
dc.date.accessioned2026-07-07T06:23:27Z
dc.date.available2026-07-07T06:23:27Z
dc.descriptionWe analyze a microscopic decoherence model in which the total system is described as a spin gas. A spin gas consists of N classically moving particles with additional, interacting quantum degrees of freedom (e.g. spins). For various multipartite entangled probe states, we analyze the decoherence induced by interactions between the probe- and environmental spins in such spin gases. We can treat mesoscopic environments (10^5 particles). We present results for a lattice gas, which could be realized by neutral atoms hopping in an optical lattice, and show the effects of non-Markovian and correlated noise, as well as finite size effects.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0506208
dc.identifierhttp://arxiv.org/abs/quant-ph/0506208
dc.identifierPhys. Rev. A 72, 052107 (2005)
dc.identifierdoi:10.1103/PhysRevA.72.052107
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/96236
dc.subjectQuantum Physics
dc.titleSpin gases as microscopic models for non-Markovian decoherence
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