Explicit Construction of the BRST Charge for W_4

Abstract

We give the explicite form of the BRST charge Q for the algebra W_4=WA_3 in the basis where the spin-3 and the spin-4 field are primary as well as for a basis where the algebra closes quadratically.

9 pages (A4), LaTeX, DFTT-25/93

References in corpus (6)

• On the Spectrum and Scattering of W_3 Strings
• Discrete States in the $W_3$ String
• A BRST Analysis of $W$-symmetries
• The Low-level Spectrum of the $W_3$ String
• On the spectrum, no ghost theorem and modular invariance of $W_3$ strings
• The covariant scattering and cohomology of $W_3$ strings

Cited by in corpus (10)

• A BRST Analysis of $W$-symmetries
• On the Cohomology of the Noncritical $W$-string
• Parafermions, $W$ Strings and their BRST Charges
• Constructing N=2 Superconformal Algebras out of N=1 Affine Lie Algebras
• Semi-infinite cohomology and the linkage principle for $W$-algebras
• Spinor Field Realizations of the half-integer $W_{2,s}$ Strings
• BRST Operators for Higher-spin Algebras
• BRST cohomology of the critical $W_4$ string
• Ward Identities and Anomalies in Pure W_4 Gravity
• Large Chiral Diffeomorphisms on Riemann Surfaces and W-algebras