FZZ-triality and large super Liouville theory

Thomas Creutzig (Department of Mathematical and Statistical Sciences, University of Alberta, Edmonton, Canada) ; Yasuaki Hikida (Center for Gravitational Physics, Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto, Japan)

We examine dualities of two dimensional conformal field theories by applying the methods developed in previous works. We first derive the duality between SL(2|1)k/(SL(2)kU(1)) coset and Witten's cigar model or sine-Liouville theory. The latter two models are Fateev-Zamolodchikov-Zamolodchikov (FZZ-)dual to each other, hence the relation of the three models is named FZZ-triality. These results are used to study correlator correspondences between large N=4 super Liouville theory and a coset of the form Y(k1,k2)/SL(2)k1+k2, where Y(k1,k2) consists of two SL(2|1)ki and free bosons or equivalently two U(1) cosets of D(2,1;ki1) at level one. These correspondences are a main result of this paper. The FZZ-triality acts as a seed of the correspondence, which in particular implies a hidden SL(2)k in SL(2|1)k or D(2,1;k1)1. The relation of levels is k1=1/(k1). We also construct boundary actions in sine-Liouville theory as another use of the FZZ-triality. Furthermore, we generalize the FZZ-triality to the case with SL(n|1)k/(SL(n)kU(1)) for arbitrary n>2.

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      "title": "FZZ-triality and large super Liouville theory"
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      "source": "Elsevier", 
      "value": "We examine dualities of two dimensional conformal field theories by applying the methods developed in previous works. We first derive the duality between <math><mi>S</mi><mi>L</mi><msub><mrow><mo>(</mo><mn>2</mn><mo>|</mo><mn>1</mn><mo>)</mo></mrow><mrow><mi>k</mi></mrow></msub><mo>/</mo><mo>(</mo><mi>S</mi><mi>L</mi><msub><mrow><mo>(</mo><mn>2</mn><mo>)</mo></mrow><mrow><mi>k</mi></mrow></msub><mo>\u2297</mo><mi>U</mi><mo>(</mo><mn>1</mn><mo>)</mo><mo>)</mo></math> coset and Witten's cigar model or sine-Liouville theory. The latter two models are Fateev-Zamolodchikov-Zamolodchikov (FZZ-)dual to each other, hence the relation of the three models is named FZZ-triality. These results are used to study correlator correspondences between large <math><mi>N</mi><mo>=</mo><mn>4</mn></math> super Liouville theory and a coset of the form <math><mi>Y</mi><mo>(</mo><msub><mrow><mi>k</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>k</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>)</mo><mo>/</mo><mi>S</mi><mi>L</mi><msub><mrow><mo>(</mo><mn>2</mn><mo>)</mo></mrow><mrow><msub><mrow><mi>k</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>+</mo><msub><mrow><mi>k</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow></msub></math>, where <math><mi>Y</mi><mo>(</mo><msub><mrow><mi>k</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>k</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>)</mo></math> consists of two <math><mi>S</mi><mi>L</mi><msub><mrow><mo>(</mo><mn>2</mn><mo>|</mo><mn>1</mn><mo>)</mo></mrow><mrow><msub><mrow><mi>k</mi></mrow><mrow><mi>i</mi></mrow></msub></mrow></msub></math> and free bosons or equivalently two <math><mi>U</mi><mo>(</mo><mn>1</mn><mo>)</mo></math> cosets of <math><mi>D</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>1</mn><mo>;</mo><msub><mrow><mi>k</mi></mrow><mrow><mi>i</mi></mrow></msub><mo>\u2212</mo><mn>1</mn><mo>)</mo></math> at level one. These correspondences are a main result of this paper. The FZZ-triality acts as a seed of the correspondence, which in particular implies a hidden <math><mi>S</mi><mi>L</mi><msub><mrow><mo>(</mo><mn>2</mn><mo>)</mo></mrow><mrow><msup><mrow><mi>k</mi></mrow><mrow><mo>\u2032</mo></mrow></msup></mrow></msub></math> in <math><mi>S</mi><mi>L</mi><msub><mrow><mo>(</mo><mn>2</mn><mo>|</mo><mn>1</mn><mo>)</mo></mrow><mrow><mi>k</mi></mrow></msub></math> or <math><mi>D</mi><msub><mrow><mo>(</mo><mn>2</mn><mo>,</mo><mn>1</mn><mo>;</mo><mi>k</mi><mo>\u2212</mo><mn>1</mn><mo>)</mo></mrow><mrow><mn>1</mn></mrow></msub></math>. The relation of levels is <math><msup><mrow><mi>k</mi></mrow><mrow><mo>\u2032</mo></mrow></msup><mo>\u2212</mo><mn>1</mn><mo>=</mo><mn>1</mn><mo>/</mo><mo>(</mo><mi>k</mi><mo>\u2212</mo><mn>1</mn><mo>)</mo></math>. We also construct boundary actions in sine-Liouville theory as another use of the FZZ-triality. Furthermore, we generalize the FZZ-triality to the case with <math><mi>S</mi><mi>L</mi><msub><mrow><mo>(</mo><mi>n</mi><mo>|</mo><mn>1</mn><mo>)</mo></mrow><mrow><mi>k</mi></mrow></msub><mo>/</mo><mo>(</mo><mi>S</mi><mi>L</mi><msub><mrow><mo>(</mo><mi>n</mi><mo>)</mo></mrow><mrow><mi>k</mi></mrow></msub><mo>\u2297</mo><mi>U</mi><mo>(</mo><mn>1</mn><mo>)</mo><mo>)</mo></math> for arbitrary <math><mi>n</mi><mo>&gt;</mo><mn>2</mn></math>."
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Published on:
15 March 2022
Publisher:
Elsevier
Published in:
Nuclear Physics B , Volume 977 C (2022)

Article ID: 115734
DOI:
https://doi.org/10.1016/j.nuclphysb.2022.115734
Copyrights:
The Author(s)
Licence:
CC-BY-3.0

Fulltext files: