Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-09-14
Phys.Lett.B633:771-775,2006
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, references added
Scientific paper
10.1016/j.physletb.2005.12.065
The genuine Kaluza-Klein-like theories (with no fields in addition to gravity) have difficulties with the existence of massless spinors after the ompactification of some of dimensions of space\cite{witten}. We assume a $M^{(1+3)} \times$ a flat finite disk in $(1+5)$-dimensional space, with the boundary allowing spinors of only one handedness. Massless spinors then chirally couple to the corresponding background gauge gravitational field, which solves equations of motion for a free field, linear in the Riemann curvature.
Borstnik Norma Mankoc
Nielsen Holger Bech
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