Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity

A formalism for minimal irreversible quantum mechanics is extended from pure states to mixed states. In the latter case the problem of their diagonal singularity is explained and solved. In addition to the pure and mixed states of the usual approach, more general states are obtained. The Friedrichs...

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Autores principales: Laura, R., Castagnino, M.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_10502947_v57_n6_p4140_Laura
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_10502947_v57_n6_p4140_Laura
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spelling todo:paper_10502947_v57_n6_p4140_Laura2023-10-03T15:59:08Z Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity Laura, R. Castagnino, M. A formalism for minimal irreversible quantum mechanics is extended from pure states to mixed states. In the latter case the problem of their diagonal singularity is explained and solved. In addition to the pure and mixed states of the usual approach, more general states are obtained. The Friedrichs model is studied. Decoherence is found and decoherence characteristic times are computed. © 1998 The American Physical Society. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_10502947_v57_n6_p4140_Laura
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description A formalism for minimal irreversible quantum mechanics is extended from pure states to mixed states. In the latter case the problem of their diagonal singularity is explained and solved. In addition to the pure and mixed states of the usual approach, more general states are obtained. The Friedrichs model is studied. Decoherence is found and decoherence characteristic times are computed. © 1998 The American Physical Society.
format JOUR
author Laura, R.
Castagnino, M.
spellingShingle Laura, R.
Castagnino, M.
Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity
author_facet Laura, R.
Castagnino, M.
author_sort Laura, R.
title Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity
title_short Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity
title_full Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity
title_fullStr Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity
title_full_unstemmed Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity
title_sort minimal irreversible quantum mechanics: the mixed states and the diagonal singularity
url http://hdl.handle.net/20.500.12110/paper_10502947_v57_n6_p4140_Laura
work_keys_str_mv AT laurar minimalirreversiblequantummechanicsthemixedstatesandthediagonalsingularity
AT castagninom minimalirreversiblequantummechanicsthemixedstatesandthediagonalsingularity
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