论文标题
具有Karmarkar条件的EFE的一系列新的可行和精确解决方案:适用于冷星建模的应用
A new class of viable and exact solutions of EFE's with Karmarkar conditions: An application to cold star modeling
论文作者
论文摘要
在这项工作中,我们介绍了爱因斯坦经典的一般相对性中的一个理论框架,该框架模拟了恒星紧凑的对象,例如PSR J1614-2230和SAX J1808.4-3658。通过假设紧凑对象的内部由I类时空描述,可以解决爱因斯坦场方程。由于此要求而产生的所谓的karmarkar条件是将重力行为降低到单个生成函数的。通过吸引物理学,我们采用一种形式的重力潜力,该形式足够坚固,可以准确描述紧凑的物体。我们的模型满足了物理现实的恒星结构的所有要求。
In this work we present a theoretical framework within Einstein's classical general relativity which models stellar compact objects such as PSR J1614-2230 and SAX J1808.4-3658. The Einstein field equations are solved by assuming that the interior of the compact object is described by a class I spacetime. The so-called Karmarkar condition arising from this requirement is integrated to reduce the gravitational behaviour to a single generating function. By appealing to physics we adopt a form for the gravitational potential which is sufficiently robust to accurately describe compact objects. Our model satisfies all the requirements for physically realistic stellar structures.