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Integrability in dipole-deformed N=4 super Yang-Mills
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. CEA Saclay, Inst Phys Theor, F-91191 Gif Sur Yvette, France.;Stockholm Univ, NORDITA, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden.;Uppsala Univ, Dept Phys & Astron, SE-75108 Uppsala, Sweden..
Stockholm Univ, NORDITA, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden.;KTH Royal Inst Technol, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden..
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Stockholm Univ, NORDITA, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden..;Uppsala Univ, Dept Phys & Astron, SE-75108 Uppsala, Sweden..
2017 (English)In: Journal of Physics A: Mathematical and Theoretical, ISSN 1751-8113, E-ISSN 1751-8121, Vol. 50, no 39, article id 394001Article in journal (Refereed) Published
Abstract [en]

We study the null dipole deformation of N = 4 super Yang-Mills theory, which is an example of a potentially solvable 'dipole CFT': a theory that is non-local along a null direction, has non-relativistic conformal invariance along the remaining ones, and is holographically dual to a Schrodinger space-time. We initiate the field-theoretical study of the spectrum in this model by using integrability inherited from the parent theory. The dipole deformation corresponds to a nondiagonal Drinfeld-Reshetikhin twist in the spin chain picture, which renders the traditional Bethe ansatz inapplicable from the very beginning. We use instead the Baxter equation supplemented with nontrivial asymptotics, which gives the full 1-loop spectrum in the sl(2) sector. We show that anomalous dimensions of long gauge theory operators perfectly match the string theory prediction, providing a quantitative test of Schrodinger holography.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2017. Vol. 50, no 39, article id 394001
Keywords [en]
holographic duality, gauge-string integrability, Schrodinger symmetry
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-243498DOI: 10.1088/1751-8121/aa8491ISI: 000409388400001OAI: oai:DiVA.org:kth-243498DiVA, id: diva2:1287909
Note

QC 20190212

Available from: 2019-02-12 Created: 2019-02-12 Last updated: 2019-02-12Bibliographically approved

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