A GKO construction based on a path integral formulation of gauged Wess-Zumino-Witten actions

Dimitra Karabali; Q. Han Park; Howard J. Schnitzer; Zhu Yang

doi:10.1016/0370-2693(89)91120-9

A GKO construction based on a path integral formulation of gauged Wess-Zumino-Witten actions

Dimitra Karabali, Q. Han Park, Howard J. Schnitzer, Zhu Yang

Research output: Contribution to journal › Article › peer-review

189 Citations (Scopus)

Abstract

A path integral formulation of G/H conformal theories is presented, based on gauged Wess-Zumino-Witten actions. The conformal charge of the model is c=c_G-c_H, exactly as in the GKO construction. Ghost modes appear in the formalism as a result of gauge fixing. As a consequence, the holomorphic stress-tensor T(z) obtained in our construction has ghost contributions. We find T(z)=T_G-T_H only for matrix elements of physical states which are also ghost free.

Original language	English
Pages (from-to)	307-312
Number of pages	6
Journal	Physics Letters B
Volume	216
Issue number	3-4
DOIs	https://doi.org/10.1016/0370-2693(89)91120-9
Publication status	Published - 1989 Jan 12
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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abstract = "A path integral formulation of G/H conformal theories is presented, based on gauged Wess-Zumino-Witten actions. The conformal charge of the model is c=cG-cH, exactly as in the GKO construction. Ghost modes appear in the formalism as a result of gauge fixing. As a consequence, the holomorphic stress-tensor T(z) obtained in our construction has ghost contributions. We find T(z)=TG-TH only for matrix elements of physical states which are also ghost free.",

author = "Dimitra Karabali and Park, {Q. Han} and Schnitzer, {Howard J.} and Zhu Yang",

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AU - Park, Q. Han

AU - Schnitzer, Howard J.

AU - Yang, Zhu

PY - 1989/1/12

Y1 - 1989/1/12

N2 - A path integral formulation of G/H conformal theories is presented, based on gauged Wess-Zumino-Witten actions. The conformal charge of the model is c=cG-cH, exactly as in the GKO construction. Ghost modes appear in the formalism as a result of gauge fixing. As a consequence, the holomorphic stress-tensor T(z) obtained in our construction has ghost contributions. We find T(z)=TG-TH only for matrix elements of physical states which are also ghost free.

AB - A path integral formulation of G/H conformal theories is presented, based on gauged Wess-Zumino-Witten actions. The conformal charge of the model is c=cG-cH, exactly as in the GKO construction. Ghost modes appear in the formalism as a result of gauge fixing. As a consequence, the holomorphic stress-tensor T(z) obtained in our construction has ghost contributions. We find T(z)=TG-TH only for matrix elements of physical states which are also ghost free.

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A GKO construction based on a path integral formulation of gauged Wess-Zumino-Witten actions

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