Nuclear matter incompressibility coefficient in relativistic and nonrelativistic microscopic models
نویسندگان
چکیده
منابع مشابه
Isoscalar Giant Dipole Resonance and Nuclear Matter Incompressibility Coefficient
Studies of compression modes of nuclei are of particular interest since their strength distributions, S(E), are sensitive to the value of the nuclear matter incompressibility coefficient, K [1]. At present, Hartree-Fock (HF) based random-phase-approximation(RPA) calculations for the isoscalar giant monopole resonance (ISGMR) reproduce the experimental data for effective interactions associated ...
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Using effective lagrangians which correspond to a wide range of values for K1 relativistic RPA calculations are performed for monopole and dipole compression modes in nuclei. It is found that Dirac sea states have an important effect on compression mode energies. Including these negative energy states into relativistic RPA brings the results into general agreement with those of time-dependent r...
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Incompressibility of nuclear matter, and Coulomb and volume-symmetry coefficients of nucleus incompressibility in the relativistic mean field theory ABSTRACT The volume coefficient K(=incompressibility of the nuclear matter), the Coulomb coefficient K c , and the volume-symmetry coefficient K vs of the nucleus incom-pressibility are studied in the framework of the relativistic mean field theory...
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The relativistic mean-field plus RPA calculations, based on effective Lagrangians with densitydependent meson-nucleon vertex functions, are employed in a microscopic analysis of the nuclear matter compressibility and symmetry energy. We compute the isoscalar monopole and the isovector dipole response of Pb, as well as the differences between the neutron and proton radii for Pb and several Sn is...
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The role of effective hadron masses and effective couplings in nuclear matter is studied using a generalized effective Lagrangian for σ-ω model. A simple relation among the effective masses, the effective couplings and the incompressibility K is derived. Using the relation, it is found that the effective repulsive and the effective attractive forces are almost canceled to each other at the norm...
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ژورنال
عنوان ژورنال: Physical Review C
سال: 2003
ISSN: 0556-2813,1089-490X
DOI: 10.1103/physrevc.68.031304