FINITE-SIZE EFFECTS IN THE GAP EQUATION FOR PARIS INTERACTION

被引：17
|
作者：
DELION, DS
BALDO, M
LOMBARDO, U
机构：
[1] UNIV CATANIA,DEPT PHYS,I-95129 CATANIA,ITALY
[2] IST NAZL FIS NUCL,I-95129 CATANIA,ITALY
来源：
NUCLEAR PHYSICS A | 1995年 / 593卷 / 02期
关键词：
D O I：
10.1016/0375-9474(95)00344-Z
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The pairing problem in nuclei is approached starting from a realistic nucleon-nucleon interaction and solving the full gap equation in a complete basis. To this purpose the original bare nucleon-nucleon interaction, a separable form of the Paris potential, in the S-1(0) channel is first renormalized into a large spherical Woods-Saxon basis which includes single-particle levels up to 100 MeV. The corresponding matrix elements in the Woods-Saxon basis are then used to solve exactly the gap equation. Proton and neutron gaps are computed for Cr and Fe isotopes. Finite-size effects are evidenced.
引用
收藏
页码：151 / 161
页数：11
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