Analytical models for quark stars

被引：91

作者：

Komathiraj, K. ^{[1
,2
]}

Maharaj, S. D. ^{[1
]}

机构：

[1] Univ KwaZulu Natal, Sch Management Sci, Astrophys & Cosmol Res Unit, ZA-4000 Durban, South Africa

[2] S Eastern Univ, Dept Math Sci, Sammanthurai, Sri Lanka

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2007年 / 16卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

Einstein-Maxwell system; exact solutions; charged quark stars;

D O I：

10.1142/S0218271807011103

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We find two new classes of exact solutions to the Einstein-Maxwell system of equations. The matter content satisfies a linear equation of state consistent with quark matter; a particular form of one of the gravitational potentials is specified to generate solutions. The exact solutions can be written in terms of elementary functions, and these can be related to quark matter in the presence of an electromagnetic field. The first class of solutions generalizes the Mak-Harko model. The second class of solutions does not admit any singularities in the matter and gravitational potentials at the center.

引用

页码：1803 / 1811

页数：9

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