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论文题目:	A new property of the electromagnetic/Yang-Mills-conformal gravity system in spherical symmetry
论文题目英文:
作者:	Zhang, Hongsheng
论文出处:
刊物名称:	NUCLEAR PHYSICS B
年:	2019
卷:	940
期:
页:	321-331
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摘要:	We find a new property in W-2-conformal gravity in spherical symmetry. We demonstrate that the charge of the electromagnetic field varies with respect to the partial scaling symmetry (conformal transformations in subspaces of a spacetime) in the conformal gravity. We find that the electric and magnetic charges can vanish or appear via partial conformal transformations for the on-shell configurations in the conformal gravity. We find a solution of a Yang-Mills SU(2)-charged black hole in the conformal gravity, and further demonstrate that the SU(2) charge has similar properties with electromagnetic magnetic charges in the conformal gravity. We demonstrate how to imbed the electromagnetic and Yang-Mills SU(2) gauge field into the conformal gravity via such a symmetry. We make a brief discussion about the possibility to extend this argument to the Einstein gravity. (C) 2019 The Author. Published by Elsevier B.V.
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