paper

Gravitational dressing of massive soliton theories

arXiv:hep-th/9607243 · doi:10.1016/0370-2693(96)01123-9

Abstract

The massive soliton theories describe integrable perturbations of WZW cosets as generalized multi-component sine-Gordon models. We study their coupling to 2-dim gravity in the conformal gauge and show that the resulting models can be interpreted as conformal non-Abelian Toda theories when a certain algebraic condition is satisfied. These models, however, do not provide quantum mechanically consistent string backgrounds in the case the underlying WZW constraints are first solved classically.

latex, 11pp

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