Phys. Rev. D 74, 124013 (2006) [9 pages]Elementary Kaluza-Klein towers revisitedReceived 31 July 2006; published 14 December 2006 Considering that the momentum squared in the extra dimensions is the physically relevant quantity for the generation of the Kaluza-Klein mass states, we have reanalyzed mathematically the procedure for five dimensional scalar fields within the Arkhani-Ahmed, Dimopoulos and Dvali scenario. We find new sets of physically allowed boundary conditions. Beside the usual results, they lead to new towers with non regular mass spacing, to lonely mass states and to tachyons. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.74.124013
DOI:
10.1103/PhysRevD.74.124013
PACS:
04.50.+h
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