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
Decoupled Path Integral Formulation of Chiral QCD2withaJR=2
β Scribed by R.L.P.G. do Amaral; L.V. Belvedere; K.D. Rothe; F.G. Scholtz
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 382 KB
- Volume
- 262
- Category
- Article
- ISSN
- 0003-4916
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β¦ Synopsis
We analyse the BRST constraints and corresponding Hilbert-space structure of a chiral QCD 2 in the decoupled formulation for the case of the Jackiw Rajaraman parameter a=2. We show that despite formal similarities this theory is not equivalent to QCD 2 , and that its extension to U(N ) does not lead to an infinite vacuum degeneracy.
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