Quantum Gauge Invariant Formalism of the Schwinger Model : Gaugeon Theory of the Schwinger Model : Particles and Fields
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概要
- 論文の詳細を見る
We consider the problem of restoring gauge invariance in the Schwinger model. For this purpose a gaugeon formalism of the model is constructed in such a way that the Landau gauge Schwinger model interacts with the gaugeon system only through the gauge fixing term. We introduce two more gaugeon fields and their conjugates in addition to the usual ones to compose time independent generators canonically transforming constituent fields. We make use of canonical transformations of the constituent fields in order to transform the Landau gauge operator solution into solutions in any other gauges. Gauge symmetry is restored because the canonical transformations mix the coupled system without changing Green functions. This is contrasted with the fact that we can change gauges without introducing gaugeon fields by making use of spectrum changing canonical transformations which, however, do not preserve gauge invariance because of time dependent generators.
- 理論物理学刊行会の論文
- 1997-11-25
著者
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Nakawaki Y
Setsunan Univ. Osaka Jpn
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Nakawaki Yuji
Division Of Physics And Mathematics Faculty Of Engineering Setsunan University
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Nakawaki Yuji
Division Of Mathematics And Physics Department Of Engineering Setsunan University
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