BRST Cohomology and Hilbert Spaces of No
β
K.D. Rothe; F.G. Scholtz; A.N. Theron
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Article
π
1997
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Elsevier Science
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English
β 389 KB
The existence of several nilpotent Noether charges in the decoupled formulation of twodimensional gauge theories does not imply that all of these are required to annihilate the physical states. We elucidate this matter in the context of simple quantum mechanical and field theoretical models, where t