拟态引力中的厚布伦

IF 2.5 3区物理与天体物理 Q2 PHYSICS, PARTICLES & FIELDS

Nuclear Physics B Pub Date : 2024-11-19 DOI:10.1016/j.nuclphysb.2024.116747

C.A.S. Almeida , F.C.E. Lima , S.S. Mishra , Gonzalo J. Olmo , P.K. Sahoo

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引用次数: 0

摘要

我们分析了一个由类似拟态引力支配的五维支链世界，这是解释暗物质的一个可信候选方案。在这种情况下，我们研究了弗里德曼-勒梅特-罗伯逊-沃克（FLRW）支线，发现恒定曲率和闵科夫斯基解是可能的。然后，我们证明了拟态模型可以导致类似于kink和肿块的厚膜解，而不需要自发的对称破缺。我们还验证了该模型对微小扰动的稳定性。

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Thick brane in mimetic-like gravity

We analyze a five-dimensional braneworld governed by a mimetic-like gravity, a plausible candidate for explaining dark matter. Within this scenario, we examine Friedmann-Lemaître-Robertson-Walker (FLRW) branes and find that constant curvature and Minkowskian solutions are possible. We then show that the mimetic model leads to kink-like and lump-like thick brane solutions without the need for spontaneous symmetry breaking. Its stability against small perturbations is also verified.

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来源期刊

Nuclear Physics B 物理-物理：粒子与场物理

CiteScore

5.50

自引率

7.10%

发文量

302

审稿时长

1 months

期刊介绍： Nuclear Physics B focuses on the domain of high energy physics, quantum field theory, statistical systems, and mathematical physics, and includes four main sections: high energy physics - phenomenology, high energy physics - theory, high energy physics - experiment, and quantum field theory, statistical systems, and mathematical physics. The emphasis is on original research papers (Frontiers Articles or Full Length Articles), but Review Articles are also welcome.