Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP07(2018)113
Keywords
Field Theories in Higher Dimensions; Gauge Symmetry; Global Symmetries; Space-Time Symmetries
Categories
Funding
- IBS [IBS-R018-D1]
- Korea Ministry of Education, Science and Technology, Gyeongsangbuk-Do for Independent Junior Research Groups at the Asia Pacific Center for Theoretical Physics
- Ministry of Education, Science and Technology, Pohang City for Independent Junior Research Groups at the Asia Pacific Center for Theoretical Physics
- Basic Science Research Program through the NRF Grant [2017R1D1A1B04032316]
- German Science Foundation (DFG) within the SFB-Transregio [TR33]
- National Research Foundation of Korea [2017R1D1A1B04032316] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The continuum clockwork is an extra-dimensional set-up to realize certain features of the clockwork mechanism generating exponentially suppressed or hierarchical couplings of light particles. We study the continuum clockwork in a general scheme in which large volume, warped geometry, and localization of zero modes in extra dimension are described by independent parameters. For this, we propose a generalized 5-dimensional linear dilaton model which can realize such set-up as a solution of the model, and examine the KK spectrum and the couplings of zero modes and massive KK modes to boundary-localized operators for the bulk graviton, Abelian gauge bosons and periodic scalar fields. We discuss how those KK spectra and couplings vary as a function of the volume, warping and localization parameters, and highlight the behavior in the parameter region corresponding to the clockwork limit. We discuss also the field range of 4-dimensional axions originating from either 5-dimensional periodic scalar field or the 5-th component of an Abelian gauge field, and comment on the limitations of continuum clockwork compared to the discrete clockwork.
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