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Intersecting surface defects and instanton partition functions
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
Rutgers State Univ, New High Energy Theory Ctr, Piscataway, NJ 08854 USA..
2017 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 7, 073Article in journal (Refereed) Published
Abstract [en]

We analyze intersecting surface defects inserted in interacting four-dimensional N = 2 supersymmetric quantum field theories. We employ the realization of a class of such systems as the infrared fixed points of renormalization group flows from larger theories, triggered by perturbed Seiberg-Witten monopole-like configurations, to compute their partition functions. These results are cast into the form of a partition function of 4d/2d/0d coupled systems. Our computations provide concrete expressions for the instanton partition function in the presence of intersecting defects and we study the corresponding ADHM model.

Place, publisher, year, edition, pages
2017. no 7, 073
Keyword [en]
Extended Supersymmetry, Nonperturbative Effects, Solitons Monopoles and Instantons, Supersymmetric Gauge Theory
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-332426DOI: 10.1007/JHEP07(2017)073ISI: 000405920200008OAI: oai:DiVA.org:uu-332426DiVA: diva2:1154286
Funder
Knut and Alice Wallenberg FoundationSwedish Research Council, 2014-5517
Available from: 2017-11-02 Created: 2017-11-02 Last updated: 2017-11-02Bibliographically approved

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Pan, Yiwen

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