Nuclear tensor interaction in a covariant energy density functional

Li Juan Jiang (江丽娟), Shen Yang (杨申), Bao Yuan Sun (孙保元), Wen Hui Long (龙文辉), and Huai Qiang Gu (顾怀强)
Phys. Rev. C 91, 034326 – Published 24 March 2015

Abstract

The origin of the nuclear tensor interaction in the covariant energy density functional (EDF) is presented in this work, associated with the Fock diagrams of Lorentz scalar and vector couplings. With this newly obtained relativistic formalism of the nuclear tensor interaction, more distinct tensor effects are found in the Fock diagrams of the Lorentz scalar and vector couplings, as compared to the Lorentz pseudovector and tensor channels. A unified and self-consistent treatment of both the nuclear tensor and spin-orbit interactions, which dominate the spin-dependent features of the nuclear force, is then achieved by the relativistic models. Moreover, careful analysis of the tensor strengths indicates the reliability of the nuclear tensor interaction in the covariant EDF for exploring the nuclear structure, excitation, and decay modes.

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  • Received 12 August 2014
  • Revised 6 February 2015

DOI:https://doi.org/10.1103/PhysRevC.91.034326

©2015 American Physical Society

Authors & Affiliations

Li Juan Jiang (江丽娟), Shen Yang (杨申), Bao Yuan Sun (孙保元), Wen Hui Long (龙文辉)*, and Huai Qiang Gu (顾怀强)

  • School of Nuclear Science and Technology, Lanzhou University, 730000 Lanzhou, China and Key Laboratory of Special Function Materials and Structure Design, Ministry of Education, Lanzhou 730000, China

  • *longwh@lzu.edu.cn

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Issue

Vol. 91, Iss. 3 — March 2015

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