3 research outputs found
Hartree-Fock-Bogolyubov calculations for nuclei with tetrahedral deformation
Hartree-Fock-Bogolyubov solutions corresponding to the tetrahedral
deformation are found in six tetrahedrally doubly-magic nuclei. Values of the
beta32 deformation, depths of the tetrahedral minima, and their energies
relative to the co-existing quadrupole minima are determined for several
versions of the Skyrme force. Reduction of the tetrahedral deformation energies
by pairing correlations is quantitatively analysed. In light nuclei, shallow
tetrahedral minima are found to be the lowest in energy, while in heavy nuclei,
the minima are deeper but appear at a few MeV of excitation.Comment: 6 LaTeX pages, 2 PostScript figures, presented at the XII Nuclear
Physics Workshop, 21-25 September, Kazimierz Dolny, Polan
Solution of the Skyrme-Hartree-Fock-Bogolyubov equations in the Cartesian deformed harmonic-oscillator basis. (VI) HFODD (v2.38j): a new version of the program
We describe the new version (v2.38j) of the code HFODD which solves the
nuclear Skyrme-Hartree-Fock or Skyrme-Hartree-Fock-Bogolyubov problem by using
the Cartesian deformed harmonic-oscillator basis. In the new version, we have
implemented: (i) projection on good angular momentum (for the Hartree-Fock
states), (ii) calculation of the GCM kernels, (iii) calculation of matrix
elements of the Yukawa interaction, (iv) the BCS solutions for state-dependent
pairing gaps, (v) the HFB solutions for broken simplex symmetry, (vi)
calculation of Bohr deformation parameters, (vii) constraints on the Schiff
moments and scalar multipole moments, (viii) the D2h transformations and
rotations of wave functions, (ix) quasiparticle blocking for the HFB solutions
in odd and odd-odd nuclei, (x) the Broyden method to accelerate the
convergence, (xi) the Lipkin-Nogami method to treat pairing correlations, (xii)
the exact Coulomb exchange term, (xiii) several utility options, and we have
corrected two insignificant errors.Comment: 45 LaTeX pages, 4 figures, submitted to Computer Physics
Communication