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Quark-anti-quark potential in=4 SYM
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). King’s College London, U.K..
Number of Authors: 2
2016 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 12, 122Article in journal (Refereed) Published
Abstract [en]

We construct a closed system of equations describing the quark-anti-quark potential at any coupling in planar = 4 supersymmetric Yang-Mills theory. It is based on the Quantum Spectral Curve method supplemented with a novel type of asymptotics. We present a high precision numerical solution reproducing the classical and one-loop string predictions very accurately. We also analytically compute the first 7 nontrivial orders of the weak coupling expansion. Moreover, we study analytically the generalized quark-anti-quark potential in the limit of large imaginary twist to all orders in perturbation theory. We demonstrate how the QSC reduces in this case to a one-dimensional Schrodinger equation. In the process we establish a link between the Q-functions and the solution of the Bethe-Salpeter equation.

Place, publisher, year, edition, pages
2016. no 12, 122
Keyword [en]
AdS-CFT Correspondence, Integrable Field Theories
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-140416DOI: 10.1007/JHEP12(2016)122ISI: 000391825000001OAI: oai:DiVA.org:su-140416DiVA: diva2:1079859
Available from: 2017-03-09 Created: 2017-03-09 Last updated: 2017-11-29Bibliographically approved

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Levkovich-Maslyuk, Fedor
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