Finite number of Kaluza-Klein modes, all with zero masses
arXiv:0809.2647 · doi:10.1142/S0217732310032378
Abstract
Kaluza-Klein modes of fermions in a 5-dimensional toy model are considered. The number of Kaluza-Klein modes that survive after integration over extra dimensions is finite in this space. Moreover the extra dimensional piece of the kinetic term induces no mass for the higher Kaluza-Klein modes on contrary to the standard lore.
Presentation is improved and typos are corrected, two appendices and some references are added. No change in the essential content of the paper. 11 pages
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