An Exactly Solvable Model of an Avalanche-Type Measuring Device: Macroscopic Distinctiveness and Wavefunction Collapse

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dc.creatorMerlin, R.
dc.date2005-07-26
dc.date.accessioned2026-07-07T06:13:16Z
dc.date.available2026-07-07T06:13:16Z
dc.descriptionA quantum many-body model is presented with features similar to those of certain particle detectors. The energy spectrum contains a single metastable 'ready'-state and macroscopically-distinct 'pointer' states. Measurements do not pose paradoxes or require interventions outside the field theory formalism. Transitions into classical-like states can be triggered by a single particle with help of the thermal bath. Schroedinger cat states are associated with superpositions of inequivalent vacua, thus relating wavefunction collapse to the dynamics of symmetry breaking in phase transformations.
dc.identifierhttps://arxiv.org/abs/quant-ph/0507250
dc.identifierhttp://arxiv.org/abs/quant-ph/0507250
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/93045
dc.subjectQuantum Physics
dc.titleAn Exactly Solvable Model of an Avalanche-Type Measuring Device: Macroscopic Distinctiveness and Wavefunction Collapse
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