Physics of warped dimensions and continuous spectra
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Mass Gap
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We study some features of a warped five-dimensional model that solves the hierarchy problem and exhibits a continuum of Kaluza-Klein (KK) modes with a mass gap at the TeV scale. We compute the propagators and spectral functions for massless bulk gauge bosons, and study how the continuum can be reached as the limit of a set of models with discrete spectrum. Finally, we study the low energy effective theory and provide explicit results for the Wilson coefficients.
2009 ◽
Vol 24
(18)
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pp. 1425-1435
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1999 ◽
Vol 14
(29)
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pp. 2025-2031
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2006 ◽
Vol 49
(4)
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pp. 465-470
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