中国物理B ›› 2008, Vol. 17 ›› Issue (9): 3289-3293.doi: 10.1088/1674-1056/17/9/024

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3PF2 neutron superfluidity in neutron stars and three-body force effect

H. J. Schulze1, 崔常喜2, 左维2   

  1. (1)INFN Sezione di Catania, 95123 Catania, Italy; (2)Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  • 收稿日期:2007-11-07 修回日期:2008-01-02 出版日期:2008-09-08 发布日期:2008-09-08
  • 基金资助:
    Project supported in part by the National Natural Science Foundation of China (Grant Nos 10575119 and 10775061), the Knowledge Innovation Project (Grant No KJCX3-SYW-N2) of Chinese Academy of Sciences, the Major State Basic Research Developing Program of

3PF2 neutron superfluidity in neutron stars and three-body force effect

Cui Chang-Xi(崔常喜)a), Zuo Wei(左维)a)†, and H. J. Schulzeb)   

  1. a  Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; b  INFN Sezione di Catania, 95123 Catania, Italy
  • Received:2007-11-07 Revised:2008-01-02 Online:2008-09-08 Published:2008-09-08
  • Supported by:
    Project supported in part by the National Natural Science Foundation of China (Grant Nos 10575119 and 10775061), the Knowledge Innovation Project (Grant No KJCX3-SYW-N2) of Chinese Academy of Sciences, the Major State Basic Research Developing Program of

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摘要： We investigate the 3PF2 neutron superfluidity in β-stable neutron star matter and neutron stars by using the BCS theory and the Brueckner--Hartree--Fock approach. We adopt the Argonne V18 potential supplemented with a microscopic three-body force as the realistic nucleon--nucleon interaction. We have concentrated on studying the three-body force effect on the 3PF2 neutron pairing gap. It is found that the three-body force effect is to enhance remarkably the 3PF2 neutron superfluidity in neutron star matter and neutron stars.

关键词: ^3PF_2 superfluidity, neutron star, three-body force, Brueckner--Hartree--Fock approach

Abstract: We investigate the 3PF2 neutron superfluidity in $\beta$-stable neutron star matter and neutron stars by using the BCS theory and the Brueckner--Hartree--Fock approach. We adopt the Argonne V18 potential supplemented with a microscopic three-body force as the realistic nucleon--nucleon interaction. We have concentrated on studying the three-body force effect on the 3PF2 neutron pairing gap. It is found that the three-body force effect is to enhance remarkably the 3PF2 neutron superfluidity in neutron star matter and neutron stars.

Key words: 3PF2 superfluidity, neutron star, three-body force, Brueckner--Hartree--Fock approach

中图分类号:  (Neutron stars)

  • 97.60.Jd
21.30.-x (Nuclear forces) 21.60.Jz (Nuclear Density Functional Theory and extensions (includes Hartree-Fock and random-phase approximations)) 21.65.-f (Nuclear matter) 26.60.-c (Nuclear matter aspects of neutron stars) 97.10.Cv (Stellar structure, interiors, evolution, nucleosynthesis, ages)