A BRST operator for non-critical W-strings

We construct the BRST operator for non-critical W 3-strings and discuss the tachyon-like spectrum. For N-punctured spheres with N⩽5 we briefly describe a formal definition of the integral over W 3-moduli space.

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Bibliographic Details
Published in:Physics letters. B 1992, Vol.292 (1), p.35-41
Main Authors: Bershadsky, M., Lerche, W., Nemeschansky, D., Warner, N.P.
Format: Article
Language:English
Subjects:
Exact sciences and technology
General relativity and gravitation
Physics
Quantum gravity
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Description
Summary:We construct the BRST operator for non-critical W 3-strings and discuss the tachyon-like spectrum. For N-punctured spheres with N⩽5 we briefly describe a formal definition of the integral over W 3-moduli space.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(92)90605-4