Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.nuclphysb.2018.01.014
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dc.titleLittle strings, quasi-topological sigma model on loop group, and toroidal Lie algebras
dc.contributor.authorAshwinkumar, M.
dc.contributor.authorCao, J.
dc.contributor.authorLuo, Y.
dc.contributor.authorTan, M.-C.
dc.contributor.authorZhao, Q.
dc.date.accessioned2021-12-16T07:58:32Z
dc.date.available2021-12-16T07:58:32Z
dc.date.issued2018
dc.identifier.citationAshwinkumar, M., Cao, J., Luo, Y., Tan, M.-C., Zhao, Q. (2018). Little strings, quasi-topological sigma model on loop group, and toroidal Lie algebras. Nuclear Physics B 928 : 469-498. ScholarBank@NUS Repository. https://doi.org/10.1016/j.nuclphysb.2018.01.014
dc.identifier.issn05503213
dc.identifier.urihttps://scholarbank.nus.edu.sg/handle/10635/210922
dc.description.abstractWe study the ground states and left-excited states of the A_{k-1} N=(2,0) little string theory. Via a theorem by Atiyah [1], these sectors can be captured by a supersymmetric nonlinear sigma model on CP1 with target space the based loop group of SU(k). The ground states, described by L2-cohomology classes, form modules over an affine Lie algebra, while the left-excited states, described by chiral differential operators, form modules over a toroidal Lie algebra. We also apply our results to analyze the 1/2 and 1/4 BPS sectors of the M5-brane worldvolume theory. © 2018 The Author(s)
dc.publisherElsevier B.V.
dc.rightsAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceScopus OA2018
dc.typeArticle
dc.contributor.departmentDEPT OF PHYSICS
dc.description.doi10.1016/j.nuclphysb.2018.01.014
dc.description.sourcetitleNuclear Physics B
dc.description.volume928
dc.description.page469-498
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