On the Lagrangian Realization of Non-Critical ${\cal W}$-Strings

Alex Deckmyn; Ruud Siebelink; Walter Troost; Alexander Sevrin

doi:10.1103/PhysRevD.51.6970

On the Lagrangian Realization of Non-Critical ${\cal W}$-Strings

High Energy Physics - Theory 2016-08-24 v1

Authors: Alex Deckmyn , Ruud Siebelink , Walter Troost , Alexander Sevrin

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Abstract

A large class of non-critical string theories with extended worldsheet gauge symmetry are described by two coupled, gauged Wess-Zumino-Witten Models. We give a detailed analysis of the gauge invariant action and in particular the gauge fixing procedure and the resulting BRST symmetries. The results are applied to the example of ${\cal W}_3$ strings.

Keywords

non-critical strings w-strings wess-zumino-witten models gauge symmetry brst symmetry gauge fixing

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@article{arxiv.hep-th/9411221,
  title  = {On the Lagrangian Realization of Non-Critical ${\cal W}$-Strings},
  author = {Alex Deckmyn and Ruud Siebelink and Walter Troost and Alexander Sevrin},
  journal= {arXiv preprint arXiv:hep-th/9411221},
  year   = {2016}
}

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On the Lagrangian Realization of Non-Critical ${\cal W}$-Strings

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