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  A K3 sigma model with Z_2^8:M_20 symmetry

Gaberdiel, M. R., Taormina, A., Volpato, R., & Wendland, K. (2014). A K3 sigma model with Z_2^8:M_20 symmetry. Journal of high energy physics: JHEP, 2014(02): 022. doi:10.1007/JHEP02(2014)022.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-5421-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-36E8-1
Genre: Journal Article

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 Creators:
Gaberdiel, Matthias R., Author
Taormina, Anne, Author
Volpato, Roberto1, Author              
Wendland, Katrin, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: The K3 sigma model based on the Z_2-orbifold of the D_4-torus theory is studied. It is shown that it has an equivalent description in terms of twelve free Majorana fermions, or as a rational conformal field theory based on the affine algebra su(2)^6. By combining these different viewpoints we show that the N=(4,4) preserving symmetries of this theory are described by the discrete symmetry group Z_2^8:M_{20}. This model therefore accounts for one of the largest maximal symmetry groups of K3 sigma models. The symmetry group involves also generators that, from the orbifold point of view, map untwisted and twisted sector states into one another.

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 Dates: 2013-09-162014
 Publication Status: Published in print
 Pages: 55 pages
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1309.4127
DOI: 10.1007/JHEP02(2014)022
 Degree: -

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Title: Journal of high energy physics : JHEP
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2014 (02) Sequence Number: 022 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: /journals/resource/111021927548002