Nucleon effective mass in symmetric nuclearmatter from the extended Brueckner-Hartree-Fock approach

GAN Sheng-Xin; ZUO Wei

doi:10.1088/1674-1137/36/6/006

Chinese Physics C> 2012, Vol. 36> Issue(6) : 513-518 DOI: 10.1088/1674-1137/36/6/006

Nucleon effective mass in symmetric nuclearmatter from the extended Brueckner-Hartree-Fock approach

GAN Sheng-Xin ,
ZUO Wei ^,

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Abstract：
We have calculated the nucleon effective mass in symmetric nuclear matter within the framework of the Brueckner-Bethe-Goldstone (BBG) theory, which has been extended to include both the contributions from the ground-state correlation effect and the three-body force (TBF) rearrangement effect. The effective mass is predicted by including the ground-state correlation effect and the TBF rearrangement effect, and we discuss the momentum dependence and the density dependence of the effective mass. It is shown that the effect of ground state correlations plays an important role at low densities, while the TBF-induced rearrangement effect becomes predominant at high densities.

References

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GAN Sheng-Xin and ZUO Wei. Nucleon effective mass in symmetric nuclearmatter from the extended Brueckner-Hartree-Fock approach[J]. Chinese Physics C, 2012, 36(6): 513-518. doi: 10.1088/1674-1137/36/6/006

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Received: 2011-09-13
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Nucleon effective mass in symmetric nuclearmatter from the extended Brueckner-Hartree-Fock approach

Corresponding author: ZUO Wei,

Received Date: 2011-09-13

Accepted Date: 1900-01-01

Available Online: 2012-06-05

Abstract: We have calculated the nucleon effective mass in symmetric nuclear matter within the framework of the Brueckner-Bethe-Goldstone (BBG) theory, which has been extended to include both the contributions from the ground-state correlation effect and the three-body force (TBF) rearrangement effect. The effective mass is predicted by including the ground-state correlation effect and the TBF rearrangement effect, and we discuss the momentum dependence and the density dependence of the effective mass. It is shown that the effect of ground state correlations plays an important role at low densities, while the TBF-induced rearrangement effect becomes predominant at high densities.

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Nucleon effective mass in symmetric nuclearmatter from the extended Brueckner-Hartree-Fock approach

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