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  On symmetries of N=(4,4) sigma models on T4

Volpato, R. (2014). On symmetries of N=(4,4) sigma models on T4. Journal of High Energy Physics, 2014(08): 094. doi:10.1007/JHEP08(2014)094.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-8C74-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0023-D0A9-1
Genre: Journal Article

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 Creators:
Volpato, Roberto1, 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: Motivated by an analogous result for K3 models, we classify all groups of symmetries of non-linear sigma models on a torus T^4 that preserve the N=(4,4) superconformal algebra. The resulting symmetry groups are isomorphic to certain subgroups of the Weyl group of E8, that plays a role similar to the Conway group for the case of K3 models. Our analysis heavily relies on the triality automorphism of the T-duality group SO(4,4,Z). As a byproduct of our results, we discover new explicit descriptions of K3 models as asymmetric orbifolds of torus CFTs.

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 Dates: 2014-03-102014
 Publication Status: Published in print
 Pages: 40 pages
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1403.2410
URI: http://arxiv.org/abs/1403.2410
DOI: 10.1007/JHEP08(2014)094
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Title: Journal of High Energy Physics
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2014 (08) Sequence Number: 094 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: /journals/resource/111021927548002_1