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Abstract:

In this paper we present a Friedmann-Robertson-Walker cosmological model conformally coupled to a masive scalar field where the WKB approximation fails to reproduce the exact solution to the Wheeler-DeWitt equation for large universes. The breakdown of the WKB approximation follows the same pattern as in semiclassical physics of chaotic systems, and it is associated with the development of small scale structure in the wave function. This result puts in doubt the WKB interpretation of quantum cosmology. © 1995 The American Physical Society.

Registro:

Documento: Artículo
Título:Chaos and semiclassical limit in quantum cosmology
Autor:Calzetta, E.; Gonzalez, J.J.
Filiación:Instituto de Astronomia y Física del Espacio, Casilla de Correo 67, Sucursal 28, 1428 Buenos Aires, Argentina
Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Año:1995
Volumen:51
Número:12
Página de inicio:6821
Página de fin:6828
DOI: http://dx.doi.org/10.1103/PhysRevD.51.6821
Título revista:Physical Review D
ISSN:05562821
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562821_v51_n12_p6821_Calzetta

Referencias:

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Citas:

---------- APA ----------
Calzetta, E. & Gonzalez, J.J. (1995) . Chaos and semiclassical limit in quantum cosmology. Physical Review D, 51(12), 6821-6828.
http://dx.doi.org/10.1103/PhysRevD.51.6821
---------- CHICAGO ----------
Calzetta, E., Gonzalez, J.J. "Chaos and semiclassical limit in quantum cosmology" . Physical Review D 51, no. 12 (1995) : 6821-6828.
http://dx.doi.org/10.1103/PhysRevD.51.6821
---------- MLA ----------
Calzetta, E., Gonzalez, J.J. "Chaos and semiclassical limit in quantum cosmology" . Physical Review D, vol. 51, no. 12, 1995, pp. 6821-6828.
http://dx.doi.org/10.1103/PhysRevD.51.6821
---------- VANCOUVER ----------
Calzetta, E., Gonzalez, J.J. Chaos and semiclassical limit in quantum cosmology. 1995;51(12):6821-6828.
http://dx.doi.org/10.1103/PhysRevD.51.6821