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Phys. Rev. C 60, 054308 (1999) [8 pages]

Comparison between a thermal and a time-dependent mean-field description of a two level bosonic model

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M. C. Cambiaggio
Departamento de Física, Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica, Avenida del Libertador 8250, 1429 Buenos Aires, Argentina

G. G. Dussel* and A. M. Szyferman
Departamento de Física “Juan Jose Giambiagi,” Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón 1, Ciudad Universitaria, 1428 Buenos Aires, Argentina

Received 16 March 1999; published 1 October 1999

The thermal mean-field (Hartree-Bose-Bogoliubov) approximation is applied to a simple bosonic model that is related to the phase transition from spherical to deformed nuclei. Similarities and differences with the time-dependent approach are discussed, in particular, the sensitivity of each method for the detection of the phase transition.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.60.054308
DOI:
10.1103/PhysRevC.60.054308
PACS:
21.60.Jz

*On leave of absence from the Comisión Nacional de Energía Atómica.

 
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