Integrability in dipole-deformed N=4 super Yang–Mills

Integrability in dipole-deformed N=4 super Yang–Mills
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偶极变形 N=4 super Yang-Mills 中的可积性

DOI:
10.1088/1751-8121/aa8491
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发表时间:
2017
期刊:
Journal of Physics A: Mathematical and Theoretical
影响因子:
--
通讯作者:
K. Zarembo
K. Zarembo
中科院分区:
--
文献类型:
--
作者:
Monica Guica;Fedor Levkovich Maslyuk;K. Zarembo

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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 Schrödinger 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 Schrödinger holography.
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