Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1994-04-28
Nucl.Phys.B433:712-736,1995
Physics
High Energy Physics
High Energy Physics - Theory
27 pages. (Some factors of \hbar corrected)
Scientific paper
10.1016/0550-3213(94)00404-3
We reformulate the BRST quantisation of chiral Virasoro and $W_3$ worldsheet gravities. Our approach follows directly the classic BRST formulation of Yang-Mills theory in employing a derivative gauge condition instead of the conventional conformal gauge condition, supplemented by an introduction of momenta in order to put the ghost action back into first-order form. The consequence of these simple changes is a considerable simplification of the BRST formulation, the evaluation of anomalies and the expression of Wess-Zumino consistency conditions. In particular, the transformation rules of all fields now constitute a canonical transformation generated by the BRST operator $Q$, and we obtain in this reformulation a new result that the anomaly in the BRST Ward identity is obtained by application of the anomalous operator $Q^2$, calculated using operator products, to the gauge fermion.
Mohayaee Roya
Pope Christopher N.
Stelle K. S.
Xu K.-W.
No associations
LandOfFree
Canonical BRST Quantisation of Worldsheet Gravities does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Canonical BRST Quantisation of Worldsheet Gravities, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Canonical BRST Quantisation of Worldsheet Gravities will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-677601