Gravitational Repulsion and Dirac Antimatter

Details Gravitational Repulsion and Dirac Antimatter Gravitational Repulsion and Dirac Antimatter

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ijtp...35..605k&link_type=abstract

International Journal of Theoretical Physics, Volume 35, Issue 3, pp.605-631

Physics

Gravitational Repulsion, Antimatter, Antigravity, Negative Inertial Mass, Semiconductor, Hole, Dirac, Morrison

Scientific paper

Based on an analogy with electron and hole dynamics in semiconductors, Dirac's relativistic electron equation is generalized to include a gravitational interaction using an electromagnetic-type approximation of the gravitational potential. With gravitational and inertial masses decoupled, the equation serves to extend Dirac's deduction of antimatter parameters to include the possibility of gravitational repulsion between matter and antimatter. Consequences for general relativity and related “antigravity” issues are considered, including the nature and gravitational behavior of virtual photons, virtual pairs, and negative-energy particles. Basic cosmological implications of antigravity are explored—in particular, potential contributions to inflation, expansion, and the general absence of detectable antimatter. Experimental and observational tests are noted, and new ones suggested.

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