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Nuclear incompressibility in the quasilocal density functional theory
Soubbotin, V. B.; Tselyaev, V. I.; Viñas Gausí, Xavier
Universitat de Barcelona
We explore the ability of the recently established quasilocal density functional theory for describing the isoscalar giant monopole resonance. Within this theory we use the scaling approach and perform constrained calculations for obtaining the cubic and inverse energy weighted moments (sum rules) of the RPA strength. The meaning of the sum rule approach in this case is discussed. Numerical calculations are carried out using Gogny forces and an excellent agreement is found with HF+RPA results previously reported in literature. The nuclear matter compression modulus predicted in our model lies in the range 210230 MeV which agrees with earlier findings. The information provided by the sum rule approach in the case of nuclei near the neutron drip line is also discussed.
2010-05-04
Estructura nuclear
Estructura electrònica
Teoria del funcional de densitat
Nuclear structure
Electronic structure
Density functional theory
(c) The American Physical Society, 2004
Article
The American Physical Society
         

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