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Operator algebra of the 4D W_3 string
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OPERATOR ALGEBRA OF THE 4D W3 STRING
Peter BOUWKNEGT 1, Jim McCARTHY 1 and Krzysztof PILCH 2
1 Department of Physics and Mathematical Physics
University of Adelaide, Adelaide, SA 5005, Australia
2 Department of Physics and Astronomy
University of Southern California
Los Angeles, CA 90089-0484, USA
ABSTRACT
The noncritical 4D W3 string is a model of W3 gravity coupled to two free scalar
fields. In this paper we discuss its BRST quantization in direct analogy with that of
the 2D (Virasoro) string. The physical operators form a BV-algebra. We model this
BV-algebra on that of the polyderivations of a commutative ring on six variables
with a quadratic constraint, or, equivalently, on the BV-algebra of (polynomial)
polyvector fields on the base affine space of SL(3,C).
To appear in the proceedings of
“STRINGS ’95: Future Perspectives in String Theory,” USC, March 13–18, 1995
USC-95/24
ADP-95-47/M39
hep-th/9509121 September 1995
OPERATOR ALGEBRA OF THE 4D W3 STRING
Peter BOUWKNEGT and Jim McCARTHY
Department of Physics and Mathematical Physics, University of Adelaide
Adelaide, SA 5005, Australia
E-mail: pbouwkne@physics.adelaide.edu.au, jmccarth@physics.adelaide.edu.au
and
Krzysztof PILCH
Department of Physics and Astronomy, U.S.C.
Los Angeles, CA 90089-0484, U.S.A.
E-mail: pilch@physics.usc.edu
ABSTRACT
The noncritical 4DW3 string is a model ofW3 gravity coupled to two free scalar
fields. In this paper we discuss its BRST quantization in direct analogy with
that of the 2D (Virasoro) string. The physical operators form a BV-algebra.
We model this BV-algebra on that of the polyderivations of a commutative ring
on six variables with a quadratic constraint, or, equivalently, on the BV-algebra
of (polynomial) polyvector fields on the base affine space of SL(3, C).
1. Introduction
This paper is a brief outline of our work, over the past few years, on the W3
algebra: its representation theory; the corresponding s
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