Self-force of a point charge in the space-time of a symmetric wormhole

Abstract

We consider the self-energy and the self-force for an electrically charged particle at rest in the wormhole space-time. We develop general approach and apply it to two specific profiles of the wormhole throat with singular and with smooth curvature. The self-force for these two profiles is found in manifest form; it is an attractive force. We also find an expression for the self-force in the case of arbitrary symmetric throat profile. Far from the throat the self-force is always attractive.

arXiv comment18 pages, 3 figures Comments: corrected pdf, enlarged paper

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• Self-force on an arbitrarily coupled static scalar particle in a wormhole space-time
• Renormalization for self-potential of a scalar charge in static space-times
• Bremstrahlung in wormhole spacetime with infinitely short throat
• Self-interaction for particles in the wormhole space-times