T-duality of axial and vector dyonic integrable models

Details T-duality of axial and vector dyonic integrable models T-duality of axial and vector dyonic integrable models

2000-07-14

arxiv.org/abs/hep-th/0007116v3

Annals Phys. 289 (2001) 232-250

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, latex, no figures,improvments in the text of Sects.1,2 and 6;typos corrected,references added, to appear in Ann. of

Scientific paper

10.1006/aphy.2000.6130

A general construction of affine Non Abelian (NA) - Toda models in terms of axial and vector gauged two loop WZNW model is discussed. They represent {\it integrable perturbations} of the conformal $\sigma$-models (with tachyons included) describing (charged) black hole type string backgrounds. We study the {\it off-critical} T-duality between certain families of axial and vector type of integrable models for the case of affine NA- Toda theories with one global U(1) symmetry. In particular we find the Lie algebraic condition defining a subclass of {\it T-selfdual} torsionless NA Toda models and their zero curvature representation.

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