High Energy Physics - Theory
[Submitted on 1 Feb 2011 (v1), last revised 24 Feb 2011 (this version, v2)]
Title:On W-algebras and the symmetries of defects of 6d N=(2,0) theory
View PDFAbstract:We consider 6d N=(2,0) theory on N M5-branes, together with a 4d defect labeled by a Young diagram Y specifying its global symmetry G_Y. A recent conjecture states that a compactification of this system leads to a 2d theory with W-algebra symmetry depending on Y. We provide a check of the conjecture by reproducing the level of the current subalgebra \hat{G}_Y of this W-algebra from the property of the 4d defect.
Submission history
From: Yuji Tachikawa [view email][v1] Tue, 1 Feb 2011 04:52:17 UTC (26 KB)
[v2] Thu, 24 Feb 2011 04:07:41 UTC (26 KB)
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