Article,

Bosonic fields in crystal manifold

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PHYSICS LETTERS B, 726 (4-5): 809-814 (2013)
DOI: 10.1016/j.physletb.2013.09.006

Abstract

A crystal-like universe made of membranes in extra dimensions in a Randall-Sundrum scenario is studied. A background gravitational metric satisfying the right boundary conditions is considered to study the localization of the scalar, gauge and Kalb-Ramond fields. It is found that the wave function for the fields are Bloch waves. The mass modes equations are calculated allowing us to show the zero-gap mass behavior and the mass dispersion relation for each field. Finally we generalize all these results and consider q-forms in the crystal membrane universe. We add the dilaton interaction in order to guarantee localization of forms. We show that, due to the dimension D, the form q and the dilaton coupling lambda, the mass spectrum can be the same for the different bosonic fields studied. Such a result is a different way to see the duality between forms. (C) 2013 Elsevier B.V. All rights reserved.

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