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Phys. Rev. D 63, 127701 (2001) [3 pages]

Why the principles of inertia and of equivalence hold despite self-interaction

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Fritz Rohrlich*
Department of Physics, Syracuse University, Syracuse, New York 13244-1130

Received 4 December 2000; published 15 May 2001

When self-interaction is included, the equation of motion without an external force yields solutions that violate the principle of inertia. This problem is a century old. Recently, it has been shown that there could also be solutions that violate the principle of equivalence. The present paper solves these problems by the observation that the dynamic part of the self-interaction is induced by the external force: there is no such interaction without an external force.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.63.127701
DOI:
10.1103/PhysRevD.63.127701
PACS:
03.30.+p, 03.50.De, 04.20.Cv

*Email address: rohrlich@syr.edu