Cooper pairs in atomic nuclei
We consider the development of Cooper pairs in a self-consistent Hartree-Fock mean field for the even Sm isotopes. Results are presented at the level of a BCS treatment, a number-projected BCS treatment and an exact treatment using the Richardson ansatz. For a fixed value of the pairing strength, pr...
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| Formato: | Capítulo de libro |
| Lenguaje: | Inglés |
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2007
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| Acceso en línea: | Registro en Scopus DOI Handle Registro en la Biblioteca Digital |
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| LEADER | 04938caa a22005537a 4500 | ||
|---|---|---|---|
| 001 | PAPER-22622 | ||
| 003 | AR-BaUEN | ||
| 005 | 20250228092521.0 | ||
| 008 | 190411s2007 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-34547320314 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Dussel, Guillermo Gaspar | |
| 245 | 1 | 0 | |a Cooper pairs in atomic nuclei |
| 260 | |c 2007 | ||
| 270 | 1 | 0 | |m Dussel, G.G.; Departamento de Fisica J. J. Giambiagi, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina |
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| 504 | |a Richardson, R.W., (1963) Phys. Lett., 3, p. 277. , PHLTAM 0031-9163 10.1016/0031-9163(63)90259-2 | ||
| 504 | |a Richardson, R.W., (1966) Phys. Rev., 141, p. 949. , PHRVAO 0031-899X 10.1103/PhysRev.141.949 | ||
| 504 | |a Ortiz, G., Dukelsky, J., (2005) Phys. Rev. A, 72, p. 043611. , PLRAAN 1050-2947 10.1103/PhysRevA.72.043611 | ||
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| 504 | |a Matsuo, M., Mizuyama, K., Serizawa, Y., (2005) Phys. Rev. C, 71, p. 064326. , PRVCAN 0556-2813 10.1103/PhysRevC.71.064326 | ||
| 504 | |a Pillet, N., Sandulescu, N., Schuck, P., nucl-th/0701086; Dietrich, K., Mang, H.J., Pradal, J.H., (1964) Phys. Rev., 135, p. 22. , PHRVAO 0031-899X 10.1103/PhysRev.135.B22 | ||
| 504 | |a Dominguez, F., Esebbag, C., Dukelsky, J., (2006) J. Phys. A: Math. Gen., 39, p. 11349. , 1361-6447 10.1088/0305-4470/39/37/002 | ||
| 504 | |a Rombouts, S., Van Neck, D., Dukelsky, J., (2004) Phys. Rev. C, 69, pp. 061303R. , PRVCAN 0556-2813 10.1103/PhysRevC.69.061303 | ||
| 504 | |a Stoitsov, M.V., Dobaczewski, J., Kirchner, R., Nazarewicz, W., Terasaki, J., ; Lunney, D., Pearson, J.M., Thibault, C., (2003) Rev. Mod. Phys., 75, p. 1021. , RMPHAT 0034-6861 10.1103/RevModPhys.75.1021 | ||
| 504 | |a Dukelsky, J., Sierra, G., (1999) Phys. Rev. Lett., 83, p. 172. , PRLTAO 0031-9007 10.1103/PhysRevLett.83.172 | ||
| 504 | |a Fernandez, M.A., Egido, J.L., (2003) Phys. Rev. B, 68, p. 184505. , PRBMDO 0163-1829 10.1103/PhysRevB.68.184505 | ||
| 504 | |a Dukelsky, J., Sierra, G., (2000) Phys. Rev. B, 61, p. 12302. , PRBMDO 0163-1829 10.1103/PhysRevB.61.12302 | ||
| 504 | |a Dukelsky, J., Esebbag, C., Schuck, P., (2001) Phys. Rev. Lett., 87, p. 066403. , PRLTAO 0031-9007 10.1103/PhysRevLett.87.066403 | ||
| 504 | |a Bajdich, M., Mitas, L., Wagner, L.K., Schmidt, K.E., cond-mat/0610850 | ||
| 506 | |2 openaire |e Política editorial | ||
| 520 | 3 | |a We consider the development of Cooper pairs in a self-consistent Hartree-Fock mean field for the even Sm isotopes. Results are presented at the level of a BCS treatment, a number-projected BCS treatment and an exact treatment using the Richardson ansatz. For a fixed value of the pairing strength, projected BCS captures much of the pairing correlation energy that is absent from BCS, but still misses a sizable component, typically of order 1 MeV. Furthermore, because it does not average over the properties of the fermion pairs, the exact Richardson solution permits a more meaningful definition of the Cooper wave function and of the fraction of pairs that are collective. © 2007 The American Physical Society. |l eng | |
| 593 | |a Departamento de Fisica J. J. Giambiagi, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina | ||
| 593 | |a Bartol Research Institute, Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, United States | ||
| 593 | |a Instituto de Estructura de la Materia, CSIC, Serrano 123, E-28006 Madrid, Spain | ||
| 700 | 1 | |a Pittel, S. | |
| 700 | 1 | |a Dukelsky, J. | |
| 700 | 1 | |a Sarriguren, P. | |
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