Speaker: Dr. Ulugbek T. Yakhshiev
Department of Physics, Inha University, Incheon 402-751, Republic of Korea
Place: Department of Physics, National University of Uzbekistan.
Time: Thursday, 24 January 2013 at 12 AM.
Abstarct: In the present work we discuss the modifications of infinite nuclear matter properties.
The modifications are performed in the framework of the in-medium modified Skyrme model. The model is developed to study the properties of in-medium nucleons and nucleonic systems. The mesonic sector of the model contains the nonlinear pion fields propagating in nuclear medium. The properties of in-medium pions are defined by the pion-nucleus optic potential. The isospin-breaking part of the optical potential and the isospin-breaking effects in the mesonic sector generate the isospin-breaking effects in baryonic sector. Further, the isospin-breaking effects in baryonic sector are related to the asymmetric-matter properties. First, we discuss the binding energy per nucleon and the bulk properties of the isospin-symmetric nuclear matter. Then, we include the isospin-breaking effects and discuss the asymmetric-matter properties. The present approach is closely related to the phenomenology, i.e. to the pion-nucleon scattering data as well as to the properties of many baryonic systems.