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arXiv · hep-th/9309041

The Complete Cohomology of the W3 String

H. Lu·C. N. Pope·X. J. Wang·K. W. Xu
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Abstract

We present a simple procedure for constructing the complete cohomology of the BRST operator of the two-scalar and multi-scalar $W_3$ strings. The method consists of obtaining two level--15 physical operators in the two-scalar $W_3$ string that are invertible, and that can normal order with all other physical operators. They can be used to map all physical operators into non-trivial physical operators whose momenta lie in a fundamental unit cell. By carrying out an exhaustive analysis of physical operators in this cell, the entire cohomology problem is solved.

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H. Lu, C. N. Pope, X. J. Wang, K. W. Xu. 1993-09-07. The Complete Cohomology of the W3 String. https://doi.org/10.1088/0264-9381%2F11%2F4%2F013

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