Description of a Particle with Arbitrary Mass and Spin
- 13 July 1964
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 135 (1B), B241-B248
- https://doi.org/10.1103/physrev.135.b241
Abstract
A Lorentz covariant description of a particle and antiparticle with spin and finite rest mass is given in this paper. The wave function has components so that no auxiliary conditions are needed. The basic idea is to postulate the rest-system Hamiltonian and make the Lorentz transformation to the laboratory system. An algorithm which is a generalization of the Foldy-Wouthuysen transformation is found for constructing the laboratory-system Hamiltonian and polarization operators.
Keywords
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