Invariant theoretical interpretation of interaction
195611 pages
Part of 100 years of gravity and accelerated frames: The deepest insights of Einstein and Yang-Mills, 157-167
Published in:
- Phys.Rev. 101 (1956) 1597-1607
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Abstract: (APS)
Some systems of fields have been considered which are invariant under a certain group of transformations depending on n parameters. A general rule is obtained for introducing a new field in a definite way with a definite type of interaction with the original fields by postulating the invariance of these systems under a wider group derived by replacing the parameters of the original group with a set of arbitrary functions. The transformation character of this new field under the wider group is determined from the invariance postulate. The possible types of the equations of the new fields can be also derived, giving rise to a certain conservation law owing to the invariance. As examples, the electromagnetic, the gravitational and the Yang-Mills fields are reconsidered following this line of approach.- gauge field theory: U(1)
- gauge field theory: SU(2)
- transformation: gauge
- Lagrangian formalism
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