Duality and Decoherence Free Subspaces

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dc.creatorSong, David D.
dc.creatorSzabo, Richard J.
dc.date2000-11-06
dc.date2000-12-13
dc.date.accessioned2026-07-07T06:01:07Z
dc.date.available2026-07-07T06:01:07Z
dc.descriptionQuantum error avoiding codes are constructed by exploiting a geometric interpretation of the algebra of measurements of an open quantum system. The notion of a generalized Dirac operator is introduced and used to naturally construct families of decoherence free subspaces for the encoding of quantum information. The members of the family are connected to each other by the discrete Morita equivalences of the algebra of observables, which render possible several choices of noiseless code in which to perform quantum computation. The construction is applied to various examples of discrete and continuous quantum systems.
dc.description14 pages LaTeX, 1 figure, uses epsf.tex; Typos corrected and some clarifying comments added
dc.identifierhttps://arxiv.org/abs/quant-ph/0011021
dc.identifierhttp://arxiv.org/abs/quant-ph/0011021
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/89163
dc.subjectQuantum Physics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.subjectMathematical Physics
dc.titleDuality and Decoherence Free Subspaces
dc.typetext

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