On the Confinement and the Vacuum Degeneracy in the Schewinger Model
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概要
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It is shown that multiple vacua are physical states in the Schwinger model formulated in a finite spatial interval by constructing explicitly an operator solution in which the fermionic degrees of freedom appear only in charge, chiral charge and spurion operators. These are best illustrated by taking the massless limit of an operator solution to the pre-Schwinger model which is represented in Hilbert space with the usual fermionic charge-sector. We also describe another operator solution to the pre-Schwinger model expressed in terms of boson fields only. It turns out that vaccum state is a non-normalizable eigenstate of the sharge.
- 理論物理学刊行会の論文
- 1980-11-25
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