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Abstract:

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.

Registro:

Documento: Artículo
Título:Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity
Autor:Laura, R.; Castagnino, M.
Filiación:Departamento de Física, FCEIA, Universidad Nacional de Rosario, Instituto de Física Rosario, Avenida Pellegrini 250, Rosario, 2000, Argentina
Instituto de Astronomía y Física del Espacio, Casilla de Correo 67, Sucursal 28, Buenos Aires, 1428, Argentina
Año:1998
Volumen:57
Número:6
Página de inicio:4140
Página de fin:4152
DOI: http://dx.doi.org/10.1103/PhysRevA.57.4140
Título revista:Physical Review A - Atomic, Molecular, and Optical Physics
Título revista abreviado:Phys Rev A
ISSN:10502947
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v57_n6_p4140_Laura

Referencias:

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Citas:

---------- APA ----------
Laura, R. & Castagnino, M. (1998) . Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity. Physical Review A - Atomic, Molecular, and Optical Physics, 57(6), 4140-4152.
http://dx.doi.org/10.1103/PhysRevA.57.4140
---------- CHICAGO ----------
Laura, R., Castagnino, M. "Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity" . Physical Review A - Atomic, Molecular, and Optical Physics 57, no. 6 (1998) : 4140-4152.
http://dx.doi.org/10.1103/PhysRevA.57.4140
---------- MLA ----------
Laura, R., Castagnino, M. "Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity" . Physical Review A - Atomic, Molecular, and Optical Physics, vol. 57, no. 6, 1998, pp. 4140-4152.
http://dx.doi.org/10.1103/PhysRevA.57.4140
---------- VANCOUVER ----------
Laura, R., Castagnino, M. Minimal irreversible quantum mechanics: The mixed states and the diagonal singularity. Phys Rev A. 1998;57(6):4140-4152.
http://dx.doi.org/10.1103/PhysRevA.57.4140