Case | Case (1): vector gauge | Case (2): scalar gauge | Case (3): conservation |
Conditions |
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Relation between coefficients | (3-7) (3-8) (3-9) (3-10) | (4-8) (4-9) (4-10) | (3-12) (3-13) (3-14) (3-15) |
Unknown coefficients |
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