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Global dynamical correlation energies in covariant density functional theory: Cranking approximation

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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 root-mean-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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Authors and Affiliations

  1. School of Physical Science and Technology, Southwest University, Chongqing, 400715, China

    Qian-Shun Zhang  (张前顺), Zhi-Pan Li  (李志攀) & Jiang-Ming Yao  (尧江明)

  2. School of Physics and Material Science, Anhui University, Hefei, 230039, China

    Zhong-Ming Niu  (牛中明)

  3. Department of Physics, Tohoku University, Sendai, 980-8578, Japan

    Jiang-Ming Yao  (尧江明)

  4. State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing, 100871, China

    Jie Meng  (孟 杰)

  5. School of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, China

    Jie Meng  (孟 杰)

  6. Department of Physics, University of Stellenbosch, Stellenbosch, South Africa

    Jie Meng  (孟 杰)

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  1. Qian-Shun Zhang  (张前顺)
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Correspondence to Zhi-Pan Li  (李志攀), Jiang-Ming Yao  (尧江明) or Jie Meng  (孟 杰).

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Zhang, QS., Niu, ZM., Li, ZP. et al. Global dynamical correlation energies in covariant density functional theory: Cranking approximation. Front. Phys. 9, 529–536 (2014). https://doi.org/10.1007/s11467-014-0413-5

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