The equation of state for nuclear matter is presented within the Brueckner Hartree-Fock (BHF) scheme, by using the realistic Argonne VI8 or Bonn B two-nucleon potentials plus their corresponding microscopic three-nu...The equation of state for nuclear matter is presented within the Brueckner Hartree-Fock (BHF) scheme, by using the realistic Argonne VI8 or Bonn B two-nucleon potentials plus their corresponding microscopic three-nucleon forces. It is then applied to calculate the properties of finite nuclei within a simple liquid-drop model, and we compare the calculated volume, surface, and Coulomb parameters with the empirical ones from the liquid drop model. Nuclear density distributions and charge radii in good agreement with the experimental data are obtained~ and we predict the neutron skin thickness of various nuclei.展开更多
The single-particle potentials in isospin asymmetric nuclear matter is investigated in the framework of the Brueck-ner theory by adopting the realistic Bonn B two-body interaction in combination with a consistent micr...The single-particle potentials in isospin asymmetric nuclear matter is investigated in the framework of the Brueck-ner theory by adopting the realistic Bonn B two-body interaction in combination with a consistent microscopic three-body force.The rearrangement contribution induced by the ground state correlations to single-nucleon potentials is calculated in terms of the hole-line expansion of the mass operator.With the modification of this rearrangement term the symmetry potential is discussed as a function of momentum for several isospin asymme.展开更多
With the complementarity of the nucleonic three-body force,we present the saturation points of symmetric nuclear matter with different interactions adopted within the Brueckner-Hartree-Fock scheme,and a more accurate ...With the complementarity of the nucleonic three-body force,we present the saturation points of symmetric nuclear matter with different interactions adopted within the Brueckner-Hartree-Fock scheme,and a more accurate empirical parameterization function for the equation of state of symmetric nuclear matter and pure neutron matter.On the basis of this fit formula,the symmetry energy and its derivatives are investigated,and ultimately the higher-order coefficient of the isobaric incompressibility for isospin asymmetric nuclear matter is predicted.展开更多
The momentum and isospin dependence of symmetry potential and effective mass in isospin asymmetric nuclear matter is investigated in the framework of the Brueckner-Hartree-Fock approach by adopting the realistic Bonn ...The momentum and isospin dependence of symmetry potential and effective mass in isospin asymmetric nuclear matter is investigated in the framework of the Brueckner-Hartree-Fock approach by adopting the realistic Bonn B two-body interaction in combination with a consistent microscopic three-body force.It is demonstrated that symmetry potentials at the normal density for different asymmetry parameters are in good agreement with the empirical value constrained by the experimental data,and the neutron and proton effective masses show strong isospin splitting with m*n > m*p on the whole range of asymmetry parameters.In the end,the density dependence of the Landau mass is displayed.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos 11075037 and 11475045the Scientific Research Foundation for the Returned Overseas Chinese Scholars of the Ministry of Education of China+2 种基金the Fundamental Research Funds for the Central Universities of Chinathe Shanghai Leading Academic Discipline Project under Grant No B107the 'NewCompStar',COST Action MP1304
文摘The equation of state for nuclear matter is presented within the Brueckner Hartree-Fock (BHF) scheme, by using the realistic Argonne VI8 or Bonn B two-nucleon potentials plus their corresponding microscopic three-nucleon forces. It is then applied to calculate the properties of finite nuclei within a simple liquid-drop model, and we compare the calculated volume, surface, and Coulomb parameters with the empirical ones from the liquid drop model. Nuclear density distributions and charge radii in good agreement with the experimental data are obtained~ and we predict the neutron skin thickness of various nuclei.
基金Sponsored by the National Natural Science Foundation of China under Grant Nos 11075037,11175219,10875151 and 10905041the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry,the Fundamental Research Funds for the Central Universities of China,Shanghai Leading Academic Discipline Project(B107)the Knowledge Innovation Project of Chinese Academy of Sciences(KJCX2-EW-N01).
文摘The single-particle potentials in isospin asymmetric nuclear matter is investigated in the framework of the Brueck-ner theory by adopting the realistic Bonn B two-body interaction in combination with a consistent microscopic three-body force.The rearrangement contribution induced by the ground state correlations to single-nucleon potentials is calculated in terms of the hole-line expansion of the mass operator.With the modification of this rearrangement term the symmetry potential is discussed as a function of momentum for several isospin asymme.
基金Supported by the National Natural Science Foundation of China under Grant Nos 11075037,11175219 and 10875151the Scientific Research Foundation for the Returned Overseas Scholars,Ministry of Education of China,the Fundamental Research Funds for the Central Universities of China,Shanghai Leading Academic Discipline Project(B107)the Knowledge Innovation Project of the Chinese Academy of Sciences(KJCX2-EW-N01).
文摘With the complementarity of the nucleonic three-body force,we present the saturation points of symmetric nuclear matter with different interactions adopted within the Brueckner-Hartree-Fock scheme,and a more accurate empirical parameterization function for the equation of state of symmetric nuclear matter and pure neutron matter.On the basis of this fit formula,the symmetry energy and its derivatives are investigated,and ultimately the higher-order coefficient of the isobaric incompressibility for isospin asymmetric nuclear matter is predicted.
基金Supported by the National Natural Science Foundation of China under Grant Nos 11075037,11175219 and 10875151the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry+1 种基金the Fundamental Research Funds for the Central Universities of China,Shanghai Leading Academic Discipline Project(B107)the Knowledge Innovation Project of Chinese Academy of Sciences(KJCX2-EW-N01).
文摘The momentum and isospin dependence of symmetry potential and effective mass in isospin asymmetric nuclear matter is investigated in the framework of the Brueckner-Hartree-Fock approach by adopting the realistic Bonn B two-body interaction in combination with a consistent microscopic three-body force.It is demonstrated that symmetry potentials at the normal density for different asymmetry parameters are in good agreement with the empirical value constrained by the experimental data,and the neutron and proton effective masses show strong isospin splitting with m*n > m*p on the whole range of asymmetry parameters.In the end,the density dependence of the Landau mass is displayed.