The Kač-Moody anomaly. An obstruction to a gauged Wess-Zumino-Witten model

L. Castellani; R. D'auria; A. R. Levi

doi:10.1016/0370-2693(89)90783-1

The Kač-Moody anomaly. An obstruction to a gauged Wess-Zumino-Witten model

L. Castellani
, R. D'auria
, A. R. Levi

Risultato della ricerca: Contributo su rivista › Articolo in rivista › peer review

Abstract

We present a gauged Wess-Zumino-Witten model, in which the topological term is a difference of Chern-Simons forms. Part of the Kač-Moody currents become first-class constraints, thus generating local Kač-Moody symmetries. This model provides a lagrangian relization of the Goddard-Kent-Olive coset construction. At the quantum level, however, the Kač-Moody anomaly vanishes only for a negative value of the central charge k.

Lingua originale	Inglese
pagine (da-a)	539-543
Numero di pagine	5
Rivista	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	220
Numero di pubblicazione	4
DOI	https://doi.org/10.1016/0370-2693(89)90783-1
Stato di pubblicazione	Pubblicato - 13 apr 1989
Pubblicato esternamente	Sì

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abstract = "We present a gauged Wess-Zumino-Witten model, in which the topological term is a difference of Chern-Simons forms. Part of the Ka{\v c}-Moody currents become first-class constraints, thus generating local Ka{\v c}-Moody symmetries. This model provides a lagrangian relization of the Goddard-Kent-Olive coset construction. At the quantum level, however, the Ka{\v c}-Moody anomaly vanishes only for a negative value of the central charge k.",

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AU - Levi, A. R.

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N2 - We present a gauged Wess-Zumino-Witten model, in which the topological term is a difference of Chern-Simons forms. Part of the Kač-Moody currents become first-class constraints, thus generating local Kač-Moody symmetries. This model provides a lagrangian relization of the Goddard-Kent-Olive coset construction. At the quantum level, however, the Kač-Moody anomaly vanishes only for a negative value of the central charge k.

AB - We present a gauged Wess-Zumino-Witten model, in which the topological term is a difference of Chern-Simons forms. Part of the Kač-Moody currents become first-class constraints, thus generating local Kač-Moody symmetries. This model provides a lagrangian relization of the Goddard-Kent-Olive coset construction. At the quantum level, however, the Kač-Moody anomaly vanishes only for a negative value of the central charge k.

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

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The Kač-Moody anomaly. An obstruction to a gauged Wess-Zumino-Witten model

Abstract

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