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Application of Hyper-generalized Quasi-Einstein Spacetimes in General Relativity
Proceedings of the National Academy of Sciences, India Section A: Physical Sciences ( IF 0.8 ) Pub Date : 2020-08-17 , DOI: 10.1007/s40010-020-00706-9
Nandan Bhunia , Sampa Pahan , Arindam Bhattacharyya

In this paper, we study the hyper-generalized quasi-Einstein (HGQE) warped product spaces with non-positive scalar curvature. This note deals with investigating of some geometric and physical properties of \((HGQE)_{n}\) manifolds. Next, we study the general relativistic viscous fluid \((HGQE)_{4}\) spacetimes with some physical applications. Lastly, we show the existence of \((HGQE)_{4}\) spacetimes by constructing a non-trivial example.



中文翻译:

超广义拟爱因斯坦时空在广义相对论中的应用

在本文中,我们研究了具有非正标量曲率的超广义拟爱因斯坦(HGQE)扭曲乘积空间。本说明研究\((HGQE)_ {n} \)流形的某些几何和物理特性。接下来,我们通过一些物理应用研究广义相对论粘性流体\(((HGQE)_ {4} \)时空。最后,我们通过构造一个非平凡的例子来证明\(((HGQE)_ {4} \)时空的存在。

更新日期:2020-08-17
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