### Abstract

We consider SUSY sine-Gordon theory in the framework of perturbed conformal field theory. Using an argument from Zamolodchikov, we obtain the vacuum structure and the kink adjacency diagram of the theory, which is cross-checked against the exact S-matrix prediction, first-order perturbed conformal field theory (PCFT), the NLIE method and truncated conformal space approach. We provide evidence for consistency between the usual Lagrangian description and PCFT on the one hand, and between PCFT, NLIE and a massgap formula conjectured by Baseilhac and Fateev, on the other. In addition, we extend the NLIE description to all the vacua of the theory.

Original language | English |
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Pages (from-to) | 521-544 |

Number of pages | 24 |

Journal | Nuclear Physics B |

Volume | 679 |

Issue number | 3 |

DOIs | |

Publication status | Published - Feb 23 2004 |

### ASJC Scopus subject areas

- Nuclear and High Energy Physics

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## Cite this

*Nuclear Physics B*,

*679*(3), 521-544. https://doi.org/10.1016/j.nuclphysb.2003.11.036