论文标题
紧凑型相对论恒星在Karmarkar条件下
Compact Relativistic Stars under Karmarkar Condition
论文作者
论文摘要
通过选择ANSATZ $ e^{λ（r）} = \ frac {1+ar^{2}} {1+br^{2}} $，在Karmarkar条件下获得了一类针对爱因斯坦字段方程的新解决方案。发现在此模型中，许多脉冲星，例如4U 1820-30，PSR J1903+327、4U 1608-52，VELA X-1，PSR J1614-2230，CEN X-3等脉冲星。我们已经使用特定的PULSAR 4U 1820-30的数值和图形方法在整个分布过程中展示了物理参数和能量条件的性质，发现该解决方案满足了所有物理要求。
A class of new solutions for Einstein's field equations, by choosing the ansatz $e^{λ(r)}=\frac{1+ar^{2}}{1+br^{2}}$ for metric potential, are obtained under Karmarkar condition. It is found that a number of pulsars like 4U 1820-30, PSR J1903+327, 4U 1608-52, Vela X-1, PSR J1614-2230, Cen X-3 can be accomodated in this model. We have displayed the nature of physical parameters and energy conditions throughout the distribution using numerical and graphical methods for a particular pulsar 4U 1820-30 and found that the solution satisfies all physical requirements.
