Quantum Measurement Operations with Nanomagnets and SQUIDs

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dc.creatorDube, M.
dc.creatorStamp, P. C. E.
dc.date1999-08-28
dc.date.accessioned2026-07-07T03:14:23Z
dc.date.available2026-07-07T03:14:23Z
dc.descriptionThe low-energy behaviour of 2 coupled nanomagnets or 2 coupled SQUIDs, interacting with their environment, can be described by the model of a ``Pair or Interacting Spins Coupled to an Environmental Sea'' (PISCES). These physical systems can then be used for a measurement operation in which system, apparatus and environment are all treated quantum mechanically. We design a ``Bell/Coleman-Hepp'' measuring system, and show that in principle one may design a situation in which quantum interference between system and apparatus can upset the usual measurement operation.
dc.description6 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/cond-mat/9908424
dc.identifierhttp://arxiv.org/abs/cond-mat/9908424
dc.identifierJ. Low T. Phys. 113, 1079 (1998)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/29647
dc.subjectMesoscale and Nanoscale Physics
dc.titleQuantum Measurement Operations with Nanomagnets and SQUIDs
dc.typetext

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