Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2004-02-23
Nucl.Phys. A740 (2004) 77-94
Physics
Nuclear Physics
Nuclear Theory
21 pages, 2 figures
Scientific paper
10.1016/j.nuclphysa.2004.05.009
We propose a new mean-field-type framework which can treat the strong correlation induced by the tensor force. To treat the tensor correlation we break the charge and parity symmetries of a single-particle state and restore these symmetries of the total system by the projection method. We perform the charge and parity projections before variation and obtain a Hartree-Fock-like equation, which is solved self-consistently. We apply the Hartree-Fock-like equation to the alpha particle and find that by breaking the parity and charge symmetries, the correlation induced by the tensor force is obtained in the projected mean-field framework. We emphasize that the projection before the variation is important to pick up the tensor correlation in the present framework.
Ikeda Kiyomi
Sugimoto Satoru
Toki Hiroshi
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