Supersoft Symmetry Energy Encountering Non-Newtonian Gravity in Neutron Stars

被引：110
|
作者：
Wen, De-Hua [1 ,2 ]
Li, Bao-An [1 ]
Chen, Lie-Wen [3 ]
机构：
[1] Texas A&M Univ, Dept Phys & Astron, Commerce, TX 75429 USA
[2] S China Univ Technol, Dept Phys, Guangzhou 510641, Peoples R China
[3] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200240, Peoples R China
来源：
PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 21期
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
EQUATION-OF-STATE; HEAVY-ION COLLISIONS; SKYRME PARAMETRIZATION; NUCLEAR CONSTRAINTS; ISOSPIN PHYSICS; MATTER; SUBNUCLEAR; DENSITIES; EMISSION; DYNAMICS;
D O I：
10.1103/PhysRevLett.103.211102
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Considering the non-Newtonian gravity proposed in grand unification theories, we show that the stability and observed global properties of neutron stars cannot rule out the supersoft nuclear symmetry energies at suprasaturation densities. The degree of possible violation of the inverse-square law of gravity in neutron stars is estimated using an equation of state of neutron-rich nuclear matter consistent with the available terrestrial laboratory data.
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页数：4
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