TeV Scale Lee-Wick Fields out of Large Extra Dimensional Gravity

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dc.creatorWu, Feng
dc.creatorZhong, Ming
dc.date2008-07-01
dc.date2008-10-03
dc.date.accessioned2026-07-07T11:52:11Z
dc.date.available2026-07-07T11:52:11Z
dc.descriptionWe study the gravitational corrections to the Maxwell, Dirac and Klein-Gorden theories in the large extra dimension model in which the gravitons propagate in the (4+n)-dimensional bulk, while the gauge and matter fields are confined to the four-dimensional world. The corrections to the two-point Green's functions of the gauge and matter fields from the exchanges of virtual Kaluza-Klein gravitons are calculated in the gauge independent background field method. In the framework of effective field theory, we show that the modified one-loop renormalizable Lagrangian due to quantum gravitational effects contains a TeV scale Lee-Wick partner of every gauge and matter field as extra degrees of freedom in the theory. Thus the large extra dimension model of gravity provides a natural mechanism to the emergence of these exotic particles which were recently used to construct an extension of the Standard Model.
dc.description17 pages, 3 figures, references added, to appear in Phys. Rev. D
dc.identifierhttps://arxiv.org/abs/0807.0132
dc.identifierhttp://arxiv.org/abs/0807.0132
dc.identifierPhys.Rev.D78:085010,2008
dc.identifierdoi:10.1103/PhysRevD.78.085010
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204148
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTeV Scale Lee-Wick Fields out of Large Extra Dimensional Gravity
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