期刊
CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
卷 2, 期 3, 页码 248-259出版社
SCIENCE CHINA PRESS
DOI: 10.1088/1009-9271/2/3/248
关键词
Stars; quark : interior solution : anisotropy
We present an exact analytical solution of the gravitational field equations describing a static spherically symmetric anisotropic quark matter distribution. The radial pressure inside the star is assumed to obey a linear equation of state, while the tangential pressure is a complicated function of the radial coordinate. In order to obtain the general solution of the field equations a particular density profile inside the star is also assumed. The anisotropic pressure distribution leads to an increase in the maximum radius and mass of the quark star, which in the present model is around three solar masses.
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