Equations of motion for spinning particles in external electromagnetic and gravitational fields
Open Access
- 15 September 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 48 (6) , 2797-2799
- https://doi.org/10.1103/physrevd.48.2797
Abstract
The equations of motion for the position and spin of a classical particle coupled to an external electromagnetic and gravitational potential are derived from an action principle. The constraints ensuring a correct number of independent spin components are automatically satisfied. In general the spin is not Fermi-Walker transported nor does the position follow a geodesic, although the deviations are small for most situations.Keywords
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