论文标题
布赫达尔球的普遍性
Universality of the Buchdahl sphere
论文作者
论文摘要
Buchdahl Sphere是无异国情调的稳定的各向同性恒星结构，在我们对天体物理物体如何紧凑的理解中起着非常重要的作用。在这里，我们显示了与Buchdahl球体相关的某些通用特性，因为这些特性不会随着电荷在恒星结构中的包含而变化，或者在纯粹的Lovelock重力理论中也可以保持良好。使用这些普遍性，我们首次提出了对缓慢旋转的恒星配置的buchdahl极限。最后，还讨论了Buchdahl球的普遍性，从引力和非重力场能以及光子球方面。
Buchdahl sphere, the limiting stable isotropic stellar structure without exotic matter, plays a very important role in our understanding of how compact an astrophysical object can be. Here, we show certain universal properties associated with the Buchdahl sphere, in the sense that these properties will not change with the inclusion of electric charge in the stellar structure, or, will hold good in the pure Lovelock theories of gravity as well. Using these universalities, we have proposed a Buchdahl limit for a slowly-rotating stellar configuration, for the first time. Finally, the universality of the Buchdahl sphere in terms of the gravitational and non-gravitational field energies, as well as for the photon sphere have also been discussed.
