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arXiv 1707.06968gr-qc
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在$f(R,T)$重力场中模拟虫洞

Modelling wormholes in $f(R,T)$ gravity

P. H. R. S. Moraes, P. K. Sahoo

摘要:

在这项工作中,我们提出了静态虫洞内的$f(R,T)$扩展理论的重力透视建模。我们提出了一些虫洞模型,它们是根据不同的物质含量假设构造的,即,它们的压力分量(径向和侧向)的不同关系以及不同的状态方程。所得到的虫孔形状函数的解满足必要的度量条件。它们表现出类似于以前关于虫洞的参考文献中发现的行为,这也发生在我们对此类物体的能量密度的解中。我们还将能量条件应用于虫洞的物理内容。

英文摘要:

In this work we propose the modelling of static wormholes within the $f(R,T)$ extended theory of gravity perspective. We present some models of wormholes, which are constructed from different hypothesis for their matter content, i.e., different relations for their pressure components (radial and lateral) and different equations of state. The solutions obtained for the shape function of the wormholes obey the necessary metric conditions. They show a behaviour similar to those found in previous references about wormholes, which also happens to our solutions for the energy density of such objects. We also apply the energy conditions for the wormholes physical content.

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