| 11. | Note that \ Im \ { W \ } acts like an electromagnetic vector potential.
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| 12. | Also implied is the magnetic vector potential is parallel to the conductor's axis.
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| 13. | This relation allows the definitive identification of A ^ \ mu with the electromagnetic vector potential.
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| 14. | Although it would be possible simply to curl of the vector potential equals the magnetic field.
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| 15. | Also, " A " ?in V�s is the electromagnetic 4-vector potential.
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| 16. | There one deals with the vector potential \ vec A ( \ mathbf r ) of this field.
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| 17. | Notice that the magnetic field becomes 1D; the electric field stays 2D as does the vector potential.
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| 18. | The use of scalar and vector potentials is now standard in the solution of Maxwell's equations.
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| 19. | Where is the scalar potential and the vector potential, the components of the canonical momentum four-vector is
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| 20. | This idea also applies to vector potentials, and is exploited in classical field theory and also gauge field theory.
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