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Related papers: N=4 SYM Quantum Spectral Curve in BFKL regime

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We review the quantum spectral curve (QSC) formalism for anomalous dimensions of planar ${\cal\ N}=4$ SYM, including its $\gamma$-deformation. Leaving aside its derivation, we concentrate on formulation of the "final product" in its most…

High Energy Physics - Theory · Physics 2018-08-15 Vladimir Kazakov

Using the methods of the recently proposed Quantum Spectral Curve (QSC) originating from integrability of ${\cal N}=4$ Super--Yang-Mills theory we analytically continue the scaling dimensions of twist-2 operators and reproduce the so-called…

High Energy Physics - Theory · Physics 2015-08-06 Mikhail Alfimov , Nikolay Gromov , Vladimir Kazakov

We give a derivation of quantum spectral curve (QSC) - a finite set of Riemann-Hilbert equations for exact spectrum of planar N=4 SYM theory proposed in our recent paper Phys.Rev.Lett. 112 (2014). We also generalize this construction to all…

High Energy Physics - Theory · Physics 2015-10-14 Nikolay Gromov , Vladimir Kazakov , Sebastien Leurent , Dmytro Volin

This review is based on the lectures given by the author at the Les Houches Summer School 2016. It describes the recently developed Quantum Spectral Curve (QSC) for a non-perturbative planar spectrum of N=4 Super Yang-Mills theory in a…

High Energy Physics - Theory · Physics 2017-08-15 Nikolay Gromov

We developed an efficient numerical algorithm for computing the spectrum of anomalous dimensions of the planar ${\cal N}=4$ Super-Yang--Mills at finite coupling. The method is based on the Quantum Spectral Curve formalism. In contrast to…

High Energy Physics - Theory · Physics 2017-02-07 Nikolay Gromov , Fedor Levkovich-Maslyuk , Grigory Sizov

We show that the Quantum Spectral Curve (QSC) formalism, initially formulated for the spectrum of anomalous dimensions of all local single trace operators in N=4 SYM, can be extended to the generalized cusp anomalous dimension for all…

High Energy Physics - Theory · Physics 2016-05-03 Nikolay Gromov , Fedor Levkovich-Maslyuk

Integrability methods give us access to a number of observables in the planar N=4 SYM. Among them, the Quantum Spectral Curve (QSC) governs the spectrum of anomalous dimensions. Low lying states were successfully studied in the past using…

High Energy Physics - Theory · Physics 2024-01-05 Nikolay Gromov , Arpad Hegedus , Julius Julius , Nika Sokolova

Finding a systematic expansion of the spectrum of free superstrings on AdS${}_5\times $S${}^5$, or equivalently strongly coupled N = 4 SYM in the planar limit, remains an outstanding challenge. No first principle string theory methods are…

High Energy Physics - Theory · Physics 2024-06-07 Simon Ekhammar , Nikolay Gromov , Paul Ryan

The Quantum Spectral Curve (QSC) equations for planar $\mathcal{N}=6$ super-conformal Chern-Simons (SCS) are solved numerically at finite values of the coupling constant for states in the $\mathfrak{sl}(2|1)$ sector. New weak coupling…

High Energy Physics - Theory · Physics 2018-05-23 Diego Bombardelli , Andrea Cavaglià , Riccardo Conti , Roberto Tateo

We developed a general non-perturbative framework for the BFKL spectrum of planar N=4 SYM, based on the Quantum Spectral Curve (QSC). It allows one to study the spectrum in the whole generality, extending previously known methods to…

High Energy Physics - Theory · Physics 2018-08-15 Mikhail Alfimov , Nikolay Gromov , Grigory Sizov

We apply the recently proposed quantum spectral curve technique to the study of twist operators in planar N=4 SYM theory. We focus on the small spin expansion of anomalous dimensions in the sl(2) sector and compute its first two orders…

High Energy Physics - Theory · Physics 2015-09-14 Nikolay Gromov , Fedor Levkovich-Maslyuk , Grigory Sizov , Saulius Valatka

The spectrum of planar N=6 superconformal Chern-Simons theory, dual to type IIA superstring theory on $AdS_4 \times CP^3$, is accessible at finite coupling using integrability. Starting from the results of [arXiv:1403.1859], we study in…

High Energy Physics - Theory · Physics 2018-05-15 Diego Bombardelli , Andrea Cavaglià , Davide Fioravanti , Nikolay Gromov , Roberto Tateo

We study integrability of fishnet-type Feynman graphs arising in planar four-dimensional bi-scalar chiral theory recently proposed in arXiv:1512.06704 as a special double scaling limit of gamma-deformed $\mathcal{N}=4$ SYM theory. We show…

High Energy Physics - Theory · Physics 2018-02-14 Nikolay Gromov , Vladimir Kazakov , Gregory Korchemsky , Stefano Negro , Grigory Sizov

We study the gamma-deformation of the planar N=4 super Yang-Mills theory which breaks all supersymmetries but is expected to preserve integrability of the model. We focus on the operator Tr$(\phi_1\phi_1)$ built from two scalars, whose…

High Energy Physics - Theory · Physics 2020-03-13 Fedor Levkovich-Maslyuk , Michelangelo Preti

We study the analytic continuation in the spin of the planar spectrum of ABJM theory using the integrability-based Quantum Spectral Curve (QSC) method. Under some minimal assumptions, we classify the analytic properties of the Q-functions…

High Energy Physics - Theory · Physics 2025-03-13 Nicolò Brizio , Andrea Cavaglià , Roberto Tateo , Valerio Tripodi

We construct a closed system of equations describing the quark--anti-quark potential at any coupling in planar N=4 supersymmetric Yang-Mills theory. It is based on the Quantum Spectral Curve method supplemented with a novel type of…

High Energy Physics - Theory · Physics 2017-06-20 Nikolay Gromov , Fedor Levkovich-Maslyuk

We give an introduction to the Quantum Spectral Curve in AdS/CFT. This is an integrability-based framework which provides the exact spectrum of planar N = 4 super Yang-Mills theory (and of the dual string model) in terms of a solution of a…

High Energy Physics - Theory · Physics 2020-08-26 Fedor Levkovich-Maslyuk

We further investigate, in the planar limit of N=4 supersymmetric Yang Mills theories,the high energy Regge behavior of six-point MHV scattering amplitudes. In particular, for the new Regge cut contribution found in our previous paper, we…

High Energy Physics - Theory · Physics 2010-02-11 J. Bartels , L. N. Lipatov , A. Sabio Vera

Despite the rich and fruitful history of the integrability approach to string theory on the $AdS_3\times S^3\times T^4$ background, it has not been possible to extract many concrete predictions from integrability, except in a strict…

High Energy Physics - Theory · Physics 2023-02-24 Andrea Cavaglià , Simon Ekhammar , Nikolay Gromov , Paul Ryan

We consider a cusped Wilson line with J insertions of scalar fields in N=4 SYM and prove that in a certain limit the Feynman graphs are integrable to all loop orders. We identify the integrable system as a quantum fishchain with open…

High Energy Physics - Theory · Physics 2021-08-04 Nikolay Gromov , Julius Julius , Nicolo Primi
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