Petersburg Nuclear Physics Institute

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19922026

most citedOperator expansion for high-energy scattering

1.8k citations

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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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hep-th2026

The Regge-Gribov model with odderons

M. A. Braun, E. M. Kuzminskii, M. I. Vyazovsky

The Regge-Gribov model describing interacting pomerons and odderons is proposed with triple reggeon vertices taking into account the negative signature of the odderon. Its simplifi…

hep-th2025★ 1 cited

Critical Non-Abelian Vortex String and 2D N=2 Black Hole

E. Ievlev, A. Marshakov, G. Sumbatian +1

It has been shown that the non-Abelian vortex string in 4D $N = 2$ SQCD with the U(2) gauge group and $N_{f} = 4$ flavors becomes a critical superstring. Its 10D target space i…

hep-th2025

On the reggeon model with the pomeron and odderon: singularities with non-zero masses

M. A. Braun, E. M. Kuzminskii, M. I. Vyazovsky

The Regge-Gribov model of the pomeron and odderon in the non-trivial transverse space is studied by the renormalization group technique in the single loop approximation. The pomero…

hep-th2025

Search for NS 3-form Flux Induced Vacua for the Critical Non-Abelian Vortex String

E. Ievlev, P. Pichugina, A. Yung

It has been demonstrated that the non-Abelian solitonic vortex string in four-dimensional (4D) $N = 2$ supersymmetric QCD (SQCD) with gauge group U(2) and $N_{f} = 4$ quark hyp…

hep-th2023

Large- $N$ Solution and Effective Action of "Twisted-Mass'' Deformed $CP (N - 1)$ Model

G. Sumbatian, E. Ievlev, A. Yung

We study effective dynamics of the non-supersymmetric two-dimensional $CP (N - 1)$ model in the large $N$ limit. This model is deformed by a mass term $m$ preserving $\mathbb…

hep-th2023★ 2 cited

2d Sigma Models on Non-compact Calabi-Yau and $N = 2$ Liouville Theory

Pavlo Gavrylenko, Evgenii Ievlev, Andrei Marshakov +2

We consider a class of two dimensional conformal $N = 2$ supersymmetric $U (1)$ gauge linear sigma models with $N$ fields of charges $+ 1$ and $N$ fields of charges $- 1$ , wh…

hep-th2022★ 2 cited

Analytic continuation of harmonic sums with purely imaginary indices near the integer values

V. N. Velizhanin

We present a simple algebraic method for the analytic continuation of harmonic sums with integer real or purely imaginary indices near negative and positive integers. We provide a…

hep-th2022★ 2 cited

NS Three-form Flux Deformation for the Critical Non-Abelian Vortex String

A. Yung

It has been shown that non-Abelian solitonic vortex string supported in four-dimensional (4D) N = 2 supersymmetric QCD (SQCD) with the U(2) gauge group and $N_{f} = 4$ quark flavors…

hep-th2022

Fermionic contribution to the anomalous dimension of twist-2 operators in N=4 SYM theory, critical indices and integrability

V. N. Velizhanin

We compute the contribution to the anomalous dimension of the twist-2 operators in N=4 SYM theory, which is proportional to the number of fermion loops inside Feynman diagrams or,…

hep-th2022★ 4 cited

Bootstrability in Defect CFT: Integrated Correlators and Sharper Bounds

Andrea Cavaglià, Nikolay Gromov, Julius Julius +1

We continue to develop Bootstrability -- a method merging Integrability and Conformal Bootstrap to extract CFT data in integrable conformal gauge theories such as $N$ =4 S…

hep-th2022★ 15 cited

Form-factors and complete basis of observables via separation of variables for higher rank spin chains

Nikolay Gromov, Nicolo Primi, Paul Ryan

Integrable sl(N) spin chains, which we consider in this paper, are not only the prototypical example of quantum integrable systems but also systems with a wide range of application…

hep-th2022★ 4 cited

Exact result in N=4 SYM theory: Generalised double-logarithmic equation

V. N. Velizhanin

We present the new results for the generalised double-logarithmic equation, obtained from the analytical continuation of the seven-loop anomalous dimension of twist-2 operators in…

hep-th2021★ 5 cited

Critical Non-Abelian Vortex and Holography for Little String Theory

E. Ievlev, A. Yung

It has been shown that non-Abelian vortex string supported in four dimensional (4D) $N = 2$ supersymmetric QCD (SQCD) with the U(2) gauge group and $N_{f} = 4$ quark flavors…

hep-th2021★ 1 cited

Quantum Spectral Curve for AdS $_{3}$ /CFT $_{2}$ : a proposal

Andrea Cavaglià, Nikolay Gromov, Bogdan Stefański +2

We conjecture the Quantum Spectral Curve equations for string theory on $A d S_{3} \times S^{3} \times T^{4}$ with RR charge and its CFT $_{2}$ dual. We show that in the large-length regime,…

hep-th2021★ 65 cited

Integrability and Conformal Bootstrap: One Dimensional Defect CFT

Andrea Cavaglià, Nikolay Gromov, Julius Julius +1

In this letter we study how the exact non-perturbative integrability methods in 4D N=4 Super-Yang-Mills can work efficiently together with the numerical conformal bootstrap techniq…

hep-th2021★ 6 cited

Flux Compactification for the Critical Non-Abelian Vortex and Quark Masses

A. Yung

It has been shown that non-Abelian solitonic vortex strings supported in four-dimensional (4D) $N = 2$ supersymmetric QCD (SQCD) with the U( $N = 2$ ) gauge group and $N_f=4…

hep-th2021

Exact summation of leading logs around $T T ˉ$ deformation of $O (N + 1)$ -symmetric 2D QFTs

Jonas Linzen, Maxim V. Polyakov, Kirill M. Semenov-Tian-Shansky +1

We consider a general (beyond $T T ˉ$ ) deformation of the 2D $O (N + 1)$ $σ$ -model by the irrelevant dimension-four operators. The theory deformed in this most general way is not in…

hep-th2021★ 16 cited

Non-planar universal anomalous dimension of twist-two operators with general Lorentz spin at four loops in N=4 SYM theory

B. A. Kniehl, V. N. Velizhanin

We compute the non-planar contribution to the universal anomalous dimension of twist-two operators in N=4 supersymmetric Yang-Mills theory at four loops through Lorentz spin eighte…

hep-th2021★ 39 cited

Separation of Variables in AdS/CFT: Functional Approach for the Fishnet CFT

Andrea Cavaglià, Nikolay Gromov, Fedor Levkovich-Maslyuk

The major simplification in a number of quantum integrable systems is the existence of special coordinates in which the eigenstates take a factorised form. Despite many years of st…

hep-th2021★ 19 cited

Open Fishchain in N=4 Supersymmetric Yang-Mills Theory

Nikolay Gromov, Julius Julius, Nicolo Primi

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 t…

hep-th2020★ 3 cited

Determinant Form of Correlators in High Rank Integrable Spin Chains via Separation of Variables

Nikolay Gromov, Fedor Levkovich-Maslyuk, Paul Ryan

In this paper we take further steps towards developing the separation of variables program for integrable spin chains with gl(N) symmetry. By finding, for the first time, the matri…

hep-th2020★ 11 cited

Non-planar cusp and transcendental anomalous dimension at four loops in N=4 supersymmetric Yang-Mills theory

B. A. Kniehl, V. N. Velizhanin

We compute the nonplanar contribution to the universal anomalous dimension of the SU(4)-singlet twist-two operators in N=4 supersymmetric Yang-Mills theory at four loops through Lo…

hep-th2020★ 13 cited

String "Baryon'' in Four-Dimensional $N = 2$ Supersymmetric QCD from 2D-4D Correspondence

E. Ievlev, M. Shifman, A. Yung

We study non-Abelian vortex strings in four-dimensional (4D) $N = 2$ supersymmetric QCD with U $(N = 2)$ gauge group and $N_{f} = 4$ flavors of quark hypermultiplets. It has bee…

hep-th2020★ 1 cited

Long Way to Ricci Flatness

Jin Chen, Chao-Hsiang Sheu, Mikhail Shifman +2

We study two-dimensional weighted $N = 2$ supersymmetric $CP$ models with the goal of exploring their infrared (IR) limit. $WCP (N, N)$ are sim…

The Regge-Gribov model with odderons

Critical Non-Abelian Vortex String and 2D N=2 Black Hole

On the reggeon model with the pomeron and odderon: singularities with non-zero masses

Search for NS 3-form Flux Induced Vacua for the Critical Non-Abelian Vortex String

Large-N Solution and Effective Action of "Twisted-Mass'' Deformed CP(N−1) Model

2d Sigma Models on Non-compact Calabi-Yau and N=2 Liouville Theory

Analytic continuation of harmonic sums with purely imaginary indices near the integer values

NS Three-form Flux Deformation for the Critical Non-Abelian Vortex String

Fermionic contribution to the anomalous dimension of twist-2 operators in N=4 SYM theory, critical indices and integrability

Bootstrability in Defect CFT: Integrated Correlators and Sharper Bounds

Form-factors and complete basis of observables via separation of variables for higher rank spin chains

Exact result in N=4 SYM theory: Generalised double-logarithmic equation

Critical Non-Abelian Vortex and Holography for Little String Theory

Quantum Spectral Curve for AdS3​/CFT2​: a proposal

Integrability and Conformal Bootstrap: One Dimensional Defect CFT

Flux Compactification for the Critical Non-Abelian Vortex and Quark Masses

Exact summation of leading logs around TTˉ deformation of O(N+1)-symmetric 2D QFTs

Non-planar universal anomalous dimension of twist-two operators with general Lorentz spin at four loops in N=4 SYM theory

Separation of Variables in AdS/CFT: Functional Approach for the Fishnet CFT

Open Fishchain in N=4 Supersymmetric Yang-Mills Theory

Determinant Form of Correlators in High Rank Integrable Spin Chains via Separation of Variables

Non-planar cusp and transcendental anomalous dimension at four loops in N=4 supersymmetric Yang-Mills theory

String "Baryon'' in Four-Dimensional N=2 Supersymmetric QCD from 2D-4D Correspondence

Long Way to Ricci Flatness

Large- $N$ Solution and Effective Action of "Twisted-Mass'' Deformed $CP (N - 1)$ Model

2d Sigma Models on Non-compact Calabi-Yau and $N = 2$ Liouville Theory

Quantum Spectral Curve for AdS $_{3}$ /CFT $_{2}$ : a proposal

Exact summation of leading logs around $T T ˉ$ deformation of $O (N + 1)$ -symmetric 2D QFTs

String "Baryon'' in Four-Dimensional $N = 2$ Supersymmetric QCD from 2D-4D Correspondence