The gauge fixing extension of the Krichever-Novikov algebra in the closed string theory

Possible special extensions of the Krichever-Novikov algebra are discussed. Among them there is one which can be interpreted as the closed algebra of constraints and subsidiary conditions in the theory of the boson string with the fixed topology world-sheet. Realization of the given algebra is obtai...

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Bibliographic Details
Published in:Physics letters. B 1989-05, Vol.222 (3), p.391-394
Main Authors: Kashaev, R.M., Osipov, A.A.
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Physics
Theory of quantized fields
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Summary:Possible special extensions of the Krichever-Novikov algebra are discussed. Among them there is one which can be interpreted as the closed algebra of constraints and subsidiary conditions in the theory of the boson string with the fixed topology world-sheet. Realization of the given algebra is obtained in terms of string variables. The conclusion is drawn that the symmetry of the quantum system studied is wider than the usual BRST invariance.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(89)90330-4