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Exactly solvable pairing Hamiltonian for heavy nuclei

J. Dukelsky, S. Lerma H., L. M. Robledo, R. Rodriguez-Guzman, and S. M. A. Rombouts
Phys. Rev. C 84, 061301(R) – Published 6 December 2011

Abstract

We present a new exactly solvable Hamiltonian with a separable pairing interaction and nondegenerate single-particle energies. It is derived from the hyperbolic family of Richardson-Gaudin models and possesses two free parameters, one related to an interaction cutoff and the other to the pairing strength. These two parameters can be adjusted to give an excellent reproduction of Gogny self-consistent mean-field calculations in the Hartree-Fock basis.

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  • Received 19 July 2011

DOI:https://doi.org/10.1103/PhysRevC.84.061301

©2011 American Physical Society

Authors & Affiliations

J. Dukelsky1, S. Lerma H.2, L. M. Robledo3, R. Rodriguez-Guzman1, and S. M. A. Rombouts1,4

  • 1Instituto de Estructura de la Materia, CSIC, Serrano 123, E-28006 Madrid, Spain
  • 2Departamento de Física, Universidad Veracruzana, Xalapa, 91000, Veracruz, Mexico
  • 3Departamento de Física Teórica, Módulo 15, Universidad Autónoma de Madrid, E-28049 Madrid, Spain
  • 4Departamento de Física Aplicada, Universidad de Huelva, E-21071 Huelva, Spain

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Issue

Vol. 84, Iss. 6 — December 2011

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