Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-10-06
Czech.J.Phys.50S1:201,2000
Physics
High Energy Physics
High Energy Physics - Theory
Latex, 8 pages, talk at the International Workshop Spin'99, Prague, 5-11 September, 1999
Scientific paper
The structure of spinning particle suggested by the rotating Kerr-Newman (black hole) solution, super-Kerr-Newman solution and the Kerr-Sen solution to low energy string theory is considered. Main peculiarities of the Kerr spinning particle are discussed: a vortex of twisting principal null congruence, singular ring and the Kerr source representing a rotating relativistic disk of the Compton size. A few stringy structures can be found in the real and complex Kerr geometry. Low-energy string theory predicts the existence of a heterotic string placed on the sharp boundary of this disk. The obtained recently supergeneralization of the Kerr-Newman solution suggests the existence of extra axial singular line and fermionic traveling waves concentrating near these singularities. We discuss briefly a possibility of experimental test of these predictions.
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