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arXiv 2209.01928gr-qc
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$f(R,T)$引力标量张量表象中的多扭结膜世界组态

Multi-kink braneworld configurations in the scalar-tensor representation of $f(R,T)$ gravity

D. Bazeia, A. S. Lobão, João Luís Rosa

摘要:

在这项工作中,我们调查的$f(R,T)$膜的标量张量表示,源场的运动方程的解决方案产生的拓扑缺陷与两个扭结配置文件。我们使用一阶形式主义获得膜的源场的解析解,并分析这些解决方案如何修改所产生的标量张量表示的理论的辅助字段的结构。我们发现,当模型产生两个扭结的解决方案,辅助字段被修改,以允许出现的内部结构。此外,稳定势和零模的内部结构也被双扭折解所修正。

英文摘要:

In this work we investigate the $f(R,T)$ brane in the scalar-tensor representation, where the solutions of the equations of motions for the source field engender topological defects with two-kink profiles. We use the first-order formalism to obtain analytical solutions for the source field of the brane and analyze how these solutions modify the structure of the auxiliary fields arising from the scalar-tensor representation of the theory. We found that when the model engenders two-kink solutions, the auxiliary fields are modified in order to allow for the appearance of an internal structure. In addition, the stability potential and zero mode also have their internal structure modified by two-kink solution.

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