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Particular boundary condition ensures that a fermion in d=1+5, compactified on a finite disk, manifests in d=1+3 as massless spinor with a charge 1/2, mass protected and chirally coupled to the gauge field
The genuine Kaluza-Klein-like theories--with no fields in addition to gravity--have difficulties with the existence of massless spinors after the compactification of some space dimensions \cite{witten}. We proposed in previous paper a boundary condition for spinors in d=(1+5) compactified on a flat...
| Autores principales: | , |
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| Lenguaje: | eng |
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2007
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| Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2008.04.017 http://cds.cern.ch/record/1061984 |