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3d expansions of 5d instanton partition functions
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.ORCID iD: 0000-0001-8934-8836
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.ORCID iD: 0000-0002-5845-2283
2018 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 4, article id 092Article in journal (Refereed) Published
Abstract [en]

We propose a set of novel expansions of Nekrasov's instanton partition functions. Focusing on 5d supersymmetric pure Yang-Mills theory with unitary gauge group on C-q,t(2) 1 x S-1, we show that the instanton partition function admits expansions in terms of partition functions of unitary gauge theories living on the 3d subspaces C-q x S-1, Ct-1 x S-1 and their intersection along S-1. These new expansions are natural from the BPS/CFT viewpoint, as they can be matched with W-q,W-t correlators involving an arbitrary number of screening charges of two kinds. Our constructions generalize and interpolate existing results in the literature.

Place, publisher, year, edition, pages
2018. no 4, article id 092
Keywords [en]
Matrix Models, Solitons Monopoles and Instantons, Supersymmetric Gauge Theory
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-354119DOI: 10.1007/JHEP04(2018)092ISI: 000430567800012OAI: oai:DiVA.org:uu-354119DiVA, id: diva2:1220679
Funder
Swedish Research Council, W2014-5517Knut and Alice Wallenberg FoundationAvailable from: 2018-06-19 Created: 2018-06-19 Last updated: 2018-06-26Bibliographically approved

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