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- Title
Repulsive Gravitation in the Kerr-Newman Field.
- Authors
López, Carlos
- Abstract
It is shown that uncharged test particles, released from rest at infinity in the Kerr-Newman field, stop and rebound when the radial coordinate r takes the value r0 = Q2/(2M). This expression corresponds to the position of a stationary source of the Kerr-Newman field found by the author. It represents the surface of a massive oblate ellipsoid of revolution undergoing rigid rotation. Besides, the magnitude of r0 guarantees that no violation of causality occurs throughout spacetime. Although the test particles' angular momenta are always zero, they acquire a rotational motion as a consequence of the dragging of inertial frames.
- Publication
General Relativity & Gravitation, 1997, Vol 29, Issue 9, p1095
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1023/A:1018835007429