Light deflection in the Kaluza−Klein theory in the presence of a vector potential

Author: Zakirov U.  

Publisher: Springer Publishing Company

ISSN: 1064-8887

Source: Russian Physics Journal, Vol.55, Iss.5, 2012-10, pp. : 569-575

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Abstract

General expressions - tests for studying light deflection by a massive body, including the classical test of the general relativity theory - are derived based on the reactive and electromagnetic vector potentials in the generalized Gross-Perry and Kerr metrics within the framework of gravitational Kaluza-Klein theory. It is demonstrated that neglect of the electromagnetic potential in the Gross-Perry metric in the presence of the reactive potential results in a change of the light deflection angle small in comparison with the classical test; in the Kerr metric, the effect of massive body rotation, parameters of magnetic monopole, and dark energy are taken into account in addition to the vector potential.