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Global dynamical correlation energies in covariant density functional theory: Cranking approximation |
Qian-Shun Zhang (张前顺)1,Zhong-Ming Niu (牛中明)2,Zhi-Pan Li (李志攀)1( ),Jiang-Ming Yao (尧江明)1,3,*(),Jie Meng (孟杰)4,5,6() |
1. School of Physical Science and Technology, Southwest University, Chongqing 400715, China
2. School of Physics and Material Science, Anhui University, Hefei 230039, China
3. Department of Physics, Tohoku University, Sendai 980-8578, Japan
4. State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
5. School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
6. Department of Physics, University of Stellenbosch, Stellenbosch, South Africa |
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Abstract The global dynamical correlation energies for 575 even–even nuclei with proton numbers ranging from Z= 8 to Z= 108 calculated with the covariant density functional theory using the PC-PK1 parametrization are presented. The dynamical correlation energies include the rotational correction energies obtained with the cranking approximation and the quadrupole vibrational correction energies. The systematic behavior of the present correlation energies is in good agreement with that obtained from the projected generator coordinate method using the SLy4 Skyrme force although our values are systematically smaller. After including the dynamical correlation energies, the rootmean- square deviation predicted by the PC-PK1 for the 575 even-even nuclei masses is reduced from 2.58 MeV to 1.24 MeV.
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| Keywords
binding energies and masses
nuclear density functional theory and extensions
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Corresponding Author(s):
Jiang-Ming Yao (尧江明)
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Issue Date: 26 August 2014
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