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An elliptic Virasoro symmetry in 6d
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
(English)Article in journal (Refereed) Submitted
Abstract [en]

We define an elliptic deformation of the Virasoro algebra. We argue that the R4×T2" style="position: relative;" tabindex="0" id="MathJax-Element-1-Frame" class="MathJax">โ„4ร—๐•‹2 Nekrasov partition function reproduces the chiral blocks of this algebra. We support this proposal by showing that at special points in the moduli space the 6d Nekrasov partition function reduces to the partition function of a 4d vortex theory supported on R2×T2" style="position: relative;" tabindex="0" id="MathJax-Element-2-Frame" class="MathJax">โ„2ร—๐•‹2, which is in turn captured by a free field correlator of vertex operators and screening charges of the elliptic Virasoro algebra.

National Category
Subatomic Physics
Research subject
Theoretical Physics
Identifiers
URN: urn:nbn:se:uu:diva-287858OAI: oai:DiVA.org:uu-287858DiVA: diva2:923541
Available from: 2016-04-26 Created: 2016-04-26 Last updated: 2016-04-26

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Nieri, Fabrizio
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