|
| related topics |
| {field, particle, equation} |
| {theory, mechanics, state} |
| {phase, path, phys} |
| {group, space, representation} |
| {observables, space, algebra} |
| {particle, mechanics, theory} |
| {wave, scattering, interference} |
| {time, systems, information} |
| {bell, inequality, local} |
|
The Principles of Gauging
Holger Lyre
abstract: The aim of this paper is twofold: First, to present an examination of the
principles underlying gauge field theories. I shall argue that there are two
principles directly connected to the two well-known theorems of Emmy Noether
concerning global and local symmetries of the free matter-field Lagrangian, in
the following referred to as "conservation principle" and "gauge principle".
Since both these express nothing but certain symmetry features of the free
field theory, they are not sufficient to derive a true interaction coupling to
a new gauge field. For this purpose it is necessary to advocate a third, truly
empirical principle which may be understood as a generalization of the
equivalence principle. The second task of the paper is to deal with the
ontological question concerning the reality status of gauge potentials in the
light of the proposed logical structure of gauge theories. A nonlocal
interpretation of topological effects in gauge theories and, thus, the
non-reality of gauge potentials in accordance with the generalized equivalence
principle will be favoured.
- oai_identifier:
- oai:arXiv.org:quant-ph/0101047
- categories:
- quant-ph hep-th
- comments:
- Paper contribution for PSA2K meeting in Vancouver, B.C., November
4-7, 2000. Forthcoming in Philosophy of Science
- arxiv_id:
- quant-ph/0101047
- created:
- 2001-01-11
Full article ▸
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