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Abstract:

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.

Registro:

Documento: Artículo
Título:Comparison between a thermal and a time-dependent mean-field description of a two level bosonic model
Autor:Cambiaggio, M.C.; Dussel, G.G.; Szyferman, A.M.
Filiación:Departamento de Física, Ctro. Atómico Constituyentes, Comision Nac. de Energia Atomica, Avenida del Libertador 8250, 1429 Buenos Aires, Argentina
Depto. de Fisica Juan Jose Giambiagi, Fac. de Cie. Exactas y Naturales, Universidad de Buenos Aires, Pabellón 1, 1428 Buenos Aires, Argentina
Año:1999
Volumen:60
Número:5
Página de inicio:543081
Página de fin:543088
Título revista:Physical Review C - Nuclear Physics
Título revista abreviado:Phys. Rev. C Nucl. Phys.
ISSN:05562813
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v60_n5_p543081_Cambiaggio

Referencias:

  • Ring, P., Schuck, P., (1980) The Nuclear Many Body Problem, , Springer, New York, especially Chap. 6
  • Fetter, A.L., Walecka, J.D., (1971) Quantum Theory of Many Particle Systems, , McGraw-Hill, New York, especially Chap. 7
  • Thouless, D.J., (1972) The Quantum Mechanics of Many Body Systems, , Academic Press, New York, especially Chap. III
  • Cambiaggio, M.C., Dussel, G.G., Ramirez, J.A., (1991) Phys. Rev. C, 44, p. 184
  • Cambiaggio, M.C., Carbone, F.G., Dussel, G.G., (1994) Phys. Rev. C, 49, p. 194
  • Curutchet, P., Dukelsky, J., Dussel, G.G., Fendrik, A.J., (1989) Phys. Rev. C, 40, p. 2361
  • Belyaev, S., (1959) Mat. Fys. Medd. K. Dan. Vidensk. Selsk., 31, p. 11
  • Bohr, A., Mottelson, B., Pines, D., (1958) Phys. Rev., 110, p. 936
  • Bes, D.R., Broglia, R.A., (1966) Nucl. Phys., A80, p. 289
  • Dussel, G.G., Liotta, R.J., Perazzo, R.P.J., (1982) Nucl. Phys., A388, p. 606
  • Gambhir, Y.K., Ring, P., Schuck, P., (1983) Phys. Rev. Lett., 51, p. 1235
  • Dussel, G.G., Fendrik, A.J., Pomar, C., (1986) Phys. Rev. C, 34, p. 1969
  • Dussel, G.G., Fendrik, A.J., (1986) Phys. Rev. C, 34, p. 1097
  • Bonetti, R., Milazzo-Colli, L., (1974) Phys. Lett., 49 B, p. 17
  • Milazzo-Colli, L., Braga-Marcazzan, G.M., (1972) Phys. Lett., 38 B, p. 155
  • (1973) Nucl. Phys., A210, p. 297
  • Kramer, P., Saraceno, M., (1981) Geometry of the Time Dependent Variational Principle in Quantum Mechanics, Vol. 140 of Lecture Notes in Physics, 140. , Springer, Berlin
  • Cambiaggio, M.C., Dussel, G.G., Saraceno, M., (1984) Nucl. Phys., A415, p. 70
  • Kan, K.K., (1981) Phys. Rev. C, 24, p. 279
  • Goodman, A.L., (1981) Nucl. Phys., A352, p. 30

Citas:

---------- APA ----------
Cambiaggio, M.C., Dussel, G.G. & Szyferman, A.M. (1999) . Comparison between a thermal and a time-dependent mean-field description of a two level bosonic model. Physical Review C - Nuclear Physics, 60(5), 543081-543088.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v60_n5_p543081_Cambiaggio [ ]
---------- CHICAGO ----------
Cambiaggio, M.C., Dussel, G.G., Szyferman, A.M. "Comparison between a thermal and a time-dependent mean-field description of a two level bosonic model" . Physical Review C - Nuclear Physics 60, no. 5 (1999) : 543081-543088.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v60_n5_p543081_Cambiaggio [ ]
---------- MLA ----------
Cambiaggio, M.C., Dussel, G.G., Szyferman, A.M. "Comparison between a thermal and a time-dependent mean-field description of a two level bosonic model" . Physical Review C - Nuclear Physics, vol. 60, no. 5, 1999, pp. 543081-543088.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v60_n5_p543081_Cambiaggio [ ]
---------- VANCOUVER ----------
Cambiaggio, M.C., Dussel, G.G., Szyferman, A.M. Comparison between a thermal and a time-dependent mean-field description of a two level bosonic model. Phys. Rev. C Nucl. Phys. 1999;60(5):543081-543088.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v60_n5_p543081_Cambiaggio [ ]