Thermodynamical properties of a mean-field plus pairing model and applications for the Fe nuclei | Zendy

S. Rombouts | Zendy; K. Heyde | Zendy; N. Jachowicz | Zendy

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Thermodynamical properties of a mean-field plus pairing model and applications for the Fe nuclei

Author(s) -

S. Rombouts,

K. Heyde,

N. Jachowicz

Publication year - 1998

Publication title -

physical review c

Language(s) - English

Resource type - Journals

eISSN - 1089-490X

pISSN - 0556-2813

DOI - 10.1103/physrevc.58.3295

Subject(s) - pairing , physics , mean field theory , monte carlo method , quantum monte carlo , field (mathematics) , atomic nucleus , phase transition , residual , condensed matter physics , atomic physics , superconductivity , statistics , mathematics , algorithm , computer science , pure mathematics

A mean-field plus pairing model for atomic nuclei in the Fe region wasstudied using a finite-temperature quantum Monte-Carlo method. We presentresults for thermodynamical quantities such as the internal energy and thespecific heat. These results give indications of a phase transition related tothe pairing amongst nucleons, around temperatures of 0.7 MeV. The influence ofthe residual interaction and of the size of the model space on the nuclearlevel densities is discussed too.Comment: 23 pages, including 17 eps figure

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