国家杰出青年科学基金申请书-上海应用物理研究所.ppt

国家杰出青年科学基金申请书-上海应用物理研究所.ppt

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国家杰出青年科学基金申请书-上海应用物理研究所

Time reversal symmetry broken triaxial relativistic mean field approach for magnetic moment and nuclear current in odd mass nuclei Introduction Triaxial RMF with time-odd component Numerical details Results and discussion Summary Starting point of RMF theory Lagrangian of RMF theory Laudau and Migdal answer: Relativistic extension of Landau’s Fermi-liquid theory based on sigma-omega model The responds of the system as a whole when a quasi-particle is removed. Thus, the single quasi-particle current is defined as the difference in the total baryon current when the particle is removed. J. A. McNeil, et. Al., Phys. Rev. C34(1986)746 How to define the single-particle property in dense, strongly interacting many-body system? model Nucleon: Meson fields: Self-consistent Dirac equation: Total current Landau quasi-particle current: Backflow effect Renormalization of current Enhancement is reduced Especially T=0 K: Remark: The cancellation of the scalar enhancement due to the vector meson Spin ? particle One-body matrix element of current Vertex correction Renormalized current Electric form factor magnetic form factor Transfer momentum Vector fields g g -ig Remark: Dirac current is related to the electric form factor! * * * 北京大学物理学院 School of Physics/Peking University 兰州重离子加速器国家实验室 HIRFL/Lanzhou 中国科学院理论物理研究所 Institute for Theor.Phys./AS 孟 杰 Jie Meng Contents Single particle energy density distribution Magnetic moment Nuclear current Magnetic moments are measured with high precision. Traditionally it provided a sensitive test for nuclear models. Because the single particle state can couple to more complicated 2p-1h configurations and there are mesons exchange corrections caused by the nuclear medium effect, the configuration mixing provide a better foundation to describe the observed values . The mean field may not be expect

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