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Unification of Gravity and Electro-Magnetism in Six Dimensions

Merab Gogberashvili

hep-tharXiv:hep-th/0203254

Abstract

Recently by us was proposed the model where Einstein's equation on the brane was connected with Maxwell's multi-dimensional equations in pseudo-Euclidean space. Based on this idea unification of 4-dimensional gravity and electromagnetism in (2+4)-space is found. In this picture photon is massless in four dimensions and obtains large mass in extra (1+1)-space normal to the brane.

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