首页|Localization of q-form fields on a de Sitter brane in chameleon gravity
Localization of q-form fields on a de Sitter brane in chameleon gravity
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Recently,it was found that the vector field can be naturally localized on the thick brane in chameleon gravity.In this work,we extend this study to encompass de Sitter brane scenario.We focus on the localization of q-form fields.The scalar and vector fields can be localized on the de Sitter brane,while the KR field cannot be localized.The condition for localization of the scalar and vector fields is obtained.Furthermore,we investigate the localization characteristics in two examples with given conformal factor b(ψ).In the first case,the effective potentials and KK modes of the matter fields are obtained asymmetric even though the de Sitter brane has Z2 symmetry.In the second case,volcano-like effective potentials are gener-ated in the de Sitter brane model.
braneq-form fieldchameleon gravity
Yi Zhong、Tao-Tao Sui
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School of Physics and Electronics Science,Hunan University,Changsha 410082,China
Lanzhou Center for Theoretical Physics,Key Laboratory of Theoretical Physics of Gansu Province,and Key Laboratory of Quantum Theory and Applications of MoE,Lanzhou University,Lanzhou 730000,China
College of Physics,Nanjing University of Aeronautics and Astronautics,Nanjing 211106,China
Natural Science Foundation of Hunan Province,ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of China
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