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On the Classical Coupling between Gravity and Electromagnetism

Department of Physics & Astronomy, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
Holland Computing Center, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
Author to whom correspondence should be addressed.
Academic Editor: James F. Babb
Atoms 2015, 3(3), 320-338;
Received: 14 January 2015 / Revised: 30 May 2015 / Accepted: 17 June 2015 / Published: 30 June 2015
PDF [986 KB, uploaded 1 July 2015]


Coupling between electromagnetism and gravity, manifested as the distorted Coulomb field of a charge distribution in a gravitational field, has never been observed. A physical system consisting of an electron in a charged shell provides a coupling that is orders of magnitude stronger than for any previously-considered system. A shell voltage of one megavolt is required to establish a gravitationally-induced electromagnetic force equal in magnitude to the force of gravity on an electron. The experimental feasibility of detecting these forces on an electron is discussed. The effect establishes a relation between Einstein’s energy-mass equivalence and the coupling between electromagnetism and gravity. View Full-Text
Keywords: electron; gravity; electromagnetism electron; gravity; electromagnetism

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Becker, M.; Caprez, A.; Batelaan, H. On the Classical Coupling between Gravity and Electromagnetism. Atoms 2015, 3, 320-338.

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