Geon Statistics and UIR's of the Mapping Class Group

Details Geon Statistics and UIR's of the Mapping Class Group Geon Statistics and UIR's of the Mapping Class Group

1997-04-09

arxiv.org/abs/hep-th/9704081v1

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, plainTeX, no figures

Scientific paper

10.1063/1.53264

Quantum Gravity admits topological excitations of microscopic scale which can manifest themselves as particles --- topological geons. Non-trivial spatial topology also brings into the theory free parameters analogous to the $\theta$-angle of QCD. We show that these parameters can be interpreted in terms of geon properties. We also find that, for certain values of the parameters, the geons exhibit new patterns of particle identity together with new types of statistics. Geon indistinguishability in such a case is expressed by a proper subgroup of the permutation group and geon statistics by a (possibly projective) representation of the subgroup.

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