X iv : h ep - t h / 05 12 09 5 v 1 8 D ec 2 00 5 leading role of gravity in the structure of spinning particle
نویسنده
چکیده
The Kerr-Newman solution has g=2 as that of the Dirac electron and is considered as a model of spinning particle in general relativity. The Kerr geometry changes cardinally our representations on the role of gravity in the particle physics. We show that the Kerr gravitational field has a stringy local action and a topological peculiarity which are extended up to the Compton distances, and also a strong non-local action playing the key role in the mass-renormalization and regularization of singularities. The Kerr-Newman gravity determines the structure of spinning particle in the form of a relativistically rotating disk, a highly oblate bag of the Compton radius. Interior of this bag consists of an AdS or dS “false vacuum”, depending on the correlation of the mass density and charge. In the same time, the local action of gravitational field may be considered as negligible for regularized particle. PACS: 04.50.+h, 11.27.+d, 12.39.Ba, 12.10.-g
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