Which symmetry? Noether, Weyl, and conservation of electric charge
@article{Brading2002WhichSN, title={Which symmetry? Noether, Weyl, and conservation of electric charge}, author={K. Brading}, journal={Studies in History and Philosophy of Modern Physics}, year={2002}, volume={33}, pages={3-22} }
Abstract In 1918, Emmy Noether published a (now famous) theorem establishing a general connection between continuous ‘global’ symmetries and conserved quantities. In fact, Noether's paper contains two theorems, and the second of these deals with ‘local’ symmetries; prima facie , this second theorem has nothing to do with conserved quantities. In the same year, Hermann Weyl independently made the first attempt to derive conservation of electric charge from a postulated gauge symmetry. In the… Expand
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