High-momentum components in the nuclear symmetry energy

被引：49
|
作者：
Carbone, A. [1 ,2 ]
Polls, A. [1 ,2 ]
Rios, A. [3 ]
机构：
[1] Univ Barcelona, Dept Estruct & Constituents Mat, E-08028 Barcelona, Spain
[2] Univ Barcelona, Inst Ciencies Cosmos, E-08028 Barcelona, Spain
[3] Univ Surrey, Fac Engn & Phys Sci, Dept Phys, Guildford GU2 7XH, Surrey, England
来源：
EPL | 2012年 / 97卷 / 02期
关键词：
SPECTRAL-FUNCTION;
D O I：
10.1209/0295-5075/97/22001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The short-range and tensor correlations associated to realistic nucleon-nucleon interactions induce a population of high-momentum components in the many-body nuclear wave function. We study the impact of such high-momentum components on bulk observables associated to isospin asymmetric matter. The kinetic part of the symmetry energy is strongly reduced by correlations when compared to the non-interacting case. The origin of this behaviour is elucidated using realistic interactions with different short-range and tensor structures. Copyright (C) EPLA, 2012
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页数：6
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