Magnetic Susceptibility of Neutron Matter Using Skyrme Forces
نویسندگان
چکیده
منابع مشابه
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15 صفحه اولSpin polarized neutron matter and magnetic susceptibility within the Brueckner–Hartree–Fock approximation
The Brueckner–Hartree–Fock formalism is applied to study spin polarized neutron matter properties. Results of the total energy per particle as a function of the spin polarization and density are presented for two modern realistic nucleon-nucleon interactions, Nijmegen II and Reid93. We find that the dependence of the energy on the spin polarization is practically parabolic in the full range of ...
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Received (received date) Revised (revised date) A generalized parameterization of the Skyrme effective force is discussed. Preliminary results are presented for infinite symmetric and asymmetric nuclear matter. In particular, it is shown that an enlarged density dependence based on two terms allows to choose independently the incompressibility and the isoscalar effective mass.
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The Auxiliary Field Diffusion Monte Carlo method is applied to compute the spin susceptibility and the compressibility of neutron matter at zero temperature. Results are given for realistic interactions which include both a two–body potential of the Argonne type and the Urbana IX three–body potential. Simulations have been carried out for about 60 neutrons. We find an overall reduction of the s...
متن کاملNeutron drops and Skyrme energy-density functionals.
The J =0 ground state of a drop of 8 neutrons and the lowest 1/2 and 3/2 states of 7-neutron drops, all in an external well, are computed accurately with variational and Green's function Monte Carlo methods for a Hamiltonian containing the Argonne v18 two-nucleon and Urbana IX three-nucleon potentials. These states are also calculated using Skyrme-type energy-density functionals. Commonly used ...
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ژورنال
عنوان ژورنال: Australian Journal of Physics
سال: 1989
ISSN: 0004-9506
DOI: 10.1071/ph890257