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Criterion for and the physical interpretation of minimal and nonminimal interactions |
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| Authors: | AO Barut |
| Institution: | Institute for Theoretical Physics, University of Colorado, Boulder, Colorado 80302 USA;1. Department of Physics and Astronomy, Colgate University, Hamilton, New York 13346 USA;2. Department of Physics and Astrophysics, University of Colorado, Boulder, Colorado 80302 USA |
| Abstract: | A classification of currents for finite- and infinite-component wave equations is proposed depending on their algebraic and convective nature. Algebraic terms with a consistent one-particle interpretation constitute the minimal interactions. The nonminimal interactions are interpreted as effective c-number currents describing many particle effects and/or composite structures. A number of applications are treated. |
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