DEFORMATION OF RAPIDLY ROTATING COMPACT STARS

被引:0
|
作者
DEARAUJO, JCN
PACHECO, JAD
CATTANI, M
HORVATH, JE
机构
[1] SISSA, ISAS, I-34014 TRIESTE, ITALY
[2] UNIV SAO PAULO, INST FIS, BR-01498 SAO PAULO, SP, BRAZIL
关键词
DENSE MATTER; EQUATION OF STATE; RELATIVITY; STARS; NEUTRON; ROTATION;
D O I
暂无
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We have developed a numerical code to study the deformation (epsilon = (I-zz - I-xx)/I-zz where I-ii are the moments of inertia) of neutron stars in rapidly rotation in a fully general relativistic calculation. We have found that the deformation is larger, depending on the angular velocity, than is generally assumed for gravitational wave estimations. Calculations were performed by employing the Bethe-Johnson I EOS (equation of state) and a new set of models by the Frankfurt group including Lambda hyperons for several choices of their coupling constants to ordinary nucleons. Possible implications for gravitational wave searches are briefly discussed.
引用
收藏
页码:433 / 438
页数:6
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