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From weak coupling to spinning strings
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
2010 (English)In: Journal of High Energy Physics (JHEP), ISSN 1029-8479, E-ISSN 1126-6708, no 2, 50- p.Article in journal (Refereed) Published
Abstract [en]

We identify the gauge theory dual of a spinning string of minimal energy with spins S-1, S-2 on AdS(5) and charge J on S-5. For this purpose we focus on a certain set of local operators with two different types of covariant derivatives acting on complex scalar fields. We analyse the corresponding nested Bethe equations for the ground states in the limit of large spins. The auxiliary Bethe roots form certain string configurations in the complex plane, which enable us to derive integral equations for the leading and sub leading contribution to the anomalous dimension. The results can be expressed through the observables of the sl(2) sub-sector, i.e. the cusp anomaly f(g) and the virtual scaling function B-L(g), rendering the strong-coupling analysis straightforward. Furthermore, we also study a particular sub-class of these operators specialising to a scaling limit with finite values of the second spin at weak and strong coupling.

Place, publisher, year, edition, pages
2010. no 2, 50- p.
Keyword [en]
Supersymmetric gauge theory, Duality in Gauge Field Theories, AdS-CFT Correspondence, Integrable Field Theories
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-136803DOI: 10.1007/JHEP02(2010)050ISI: 000275223100050OAI: oai:DiVA.org:uu-136803DiVA: diva2:377518
Available from: 2010-12-14 Created: 2010-12-14 Last updated: 2012-05-22Bibliographically approved

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Freyhult, Lisa
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