Spontaneous Symmetry Breaking in 5D Conformally Invariant Gravity

Author:

Moon Taeyoon12,Oh Phillial1ORCID

Affiliation:

1. Department of Physics and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Republic of Korea

2. Institute of Basic Science and Department of Computer Simulation, Inje University, Gimhae 621-749, Republic of Korea

Abstract

We explore the possibility of the spontaneous symmetry breaking in 5D conformally invariant gravity, whose action consists of a scalar field nonminimally coupled to the curvature with its potential. Performing dimensional reduction via ADM decomposition, we find that the model allows an exact solution giving rise to the 4D Minkowski vacuum. Exploiting the conformal invariance with Gaussian warp factor, we show that it also admits a solution which implements the spontaneous breaking of conformal symmetry. We investigate its stability by performing the tensor perturbation and find the resulting system is described by the conformal quantum mechanics. Possible applications to the spontaneous symmetry breaking of time-translational symmetry along the dynamical fifth direction and the brane-world scenario are discussed.

Funder

Ministry of Education

Publisher

Hindawi Limited

Subject

Nuclear and High Energy Physics

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Extended anisotropic models in noncompact Kaluza–Klein theory;Classical and Quantum Gravity;2019-03-12

2. z-Weyl gravity in higher dimensions;Journal of Cosmology and Astroparticle Physics;2017-09-18

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