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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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44 papers · 2 filters
Spinor-Helicity Formalism for Massless Fields in AdS II: Potentials
Balakrishnan Nagaraj, Dmitry Ponomarev
In a recent letter we suggested a natural generalization of the flat-space spinor-helicity formalism in four dimensions to anti-de Sitter space. In the present paper we give some t…
Vacuum instability in a constant inhomogeneous electric field. A new example of exact nonperturbative calculations
T. C. Adorno, S. P. Gavrilov, D. M. Gitman
Basic quantum processes (such as particle creation, reflection, and transmission on the corresponding Klein steps) caused by inverse-square electric fields are calculated. These re…
Correspondence between Feynman diagrams and operators in quantum field theory that emerges from tensor model
N. Amburg, H. Itoyama, A. Mironov +3
A novel functorial relationship in perturbative quantum field theory is pointed out that associates Feynman diagrams (FD) having no external line in one theory with si…
Hook variables: cut-and-join operators and -functions
A. Mironov, A. Morozov
Young diagrams can be parameterized with the help of hook variables, which is well known but never studied in big detail. We demonstrate that this is the most adequate parameteriza…
On complete solution of the quantum Dell system
H. Awata, H. Kanno, A. Mironov +1
The mother functions for the eigenfunctions of the Koroteev-Shakirov version of quantum double-elliptic (Dell) Hamiltonians can be presented as infinite series in Miwa variables, v…
Towards higher-spin AdS/CFT holography
Konstantin Alkalaev, Xavier Bekaert
We aim at formulating a higher-spin gravity theory around AdS relevant for holography. As a first step, we investigate its kinematics by identifying the low-dimensional cousins…
Spinor vertexes and bubbles in the "old" conformal bootstrap on AdS and FMH problem: Yukawa model
Boris L. Altshuler
Attempts to resolve the longstanding Fermion mass hierarchy (FMH) problem in frames of the AdS/CFT correspondence demand the knowledge of bulk fermion masses. The approach of the "…
UV-finite "old" conformal bootstrap on AdS: scalar case
Boris L. Altshuler
The double-trace from UV to IR flow subtraction of infinities used earlier for the UV-convergent calculations of the Witten tadpole diagrams being applied to the bubble self-energy…
Out of equilibrium two-dimensional Yukawa theory in a strong scalar wave background
E. T. Akhmedov, O. Diatlyk, A. G. Semenov
We consider 2D Yukawa theory in the strong scalar wave background. We use operator and functional formalisms. In the latter the Schwinger--Keldysh diagrammatic technique is used to…
Complete solution to Gaussian tensor model and its integrable properties
H. Itoyama, A. Mironov, A. Morozov
Similarly to the complex matrix model, the rainbow tensor models are superintegrable in the sense that arbitrary Gaussian correlators are explicitly expressed through the Clebsh-Go…
Spin-Locality of Higher-Spin Theories and Star-Product Functional Classes
O. A. Gelfond, M. A. Vasiliev
The analysis of spin-locality of higher-spin gauge theory is formulated in terms of star-product functional classes appropriate for the limiting shifted homotopy pro…
Discrete Painleve equation, Miwa variables, and string equation in 5d matrix models
A. Mironov, A. Morozov, Z. Zakirova
The modern version of conformal matrix model (CMM) describes conformal blocks in the Dijkgraaf-Vafa phase. Therefore it possesses a determinant representation and becomes a Toda ch…
The 4--CB Algebra and Solvable Lattice Models
Vladimir Belavin, Doron Gepner, Jian--Rong Li +1
We study the algebras underlying solvable lattice models of the type fusion interaction round the face (IRF). We propose that the algebras are universal, depending only on the numb…
New Conformal Higher Spin Gravities in
Maxim Grigoriev, Iva Lovrekovic, Evgeny Skvortsov
We propose a new class of conformal higher spin gravities in three dimensions, which extends the one by Pope and Townsend. The main new feature is that there are infinitely many ex…
Multiplicative renormalizability of Yang-Mills theory with the background field method in the BV-formalism
Igor A. Batalin, Klaus Bering, Peter M. Lavrov +1
Studying the gauge-invariant renormalizability of four-dimensional Yang-Mills theory using the background field method and the BV-formalism, we derive a classical master-equation h…
Tensorial generalization of characters
H. Itoyama, A. Mironov, A. Morozov
In rainbow tensor models, which generalize rectangular complex matrix model (RCM) and possess a huge gauge symmetry , we introduce a new sub-basis…
Cubic interactions for arbitrary spin N-extended massless supermultiplets in 4d flat space
R. R. Metsaev
N-extended massless arbitrary integer and half-integer spin supermultiplets in four dimensional flat space are studied in the framework of light-cone gauge formalism. For such mult…
Limiting Shifted Homotopy in Higher-Spin Theory and Spin-Locality
V. E. Didenko, O. A. Gelfond, A. V. Korybut +1
Higher-spin vertices containing up to quintic interactions at the Lagrangian level are explicitly calculated in the one-form sector of the non-linear unfolded higher-spin equations…
Non-abelian Toda theory on AdS and AdS/CFT duality
Matteo Beccaria, Hongliang Jiang, Arkady A. Tseytlin
It was recently observed that boundary correlators of the elementary scalar field of the Liouville theory on AdS background are the same (up to a non-trivial proportionality co…
On Hamiltonians for Kerov functions
A. Mironov, A. Morozov
Kerov Hamiltonians are defined as a set of commuting operators which have Kerov functions as common eigenfunctions. In the particular case of Macdonald polynomials, well known are…
"Old" Conformal Bootstrap on AdS: symmetric scalar model
Boris L. Altshuler
Bootstrap equations for conformal correlators that mimic the early theory of conformal bootstrap are written down in frames of the AdS/CFT approach. The simplified version of these…
From bulk loops to boundary large-N expansion
Dmitry Ponomarev
We study the analytic structure of loop Witten diagrams in Euclidean AdS represented by their conformal partial wave expansions. We show that, as in flat space, amplitude's singula…
Heat kernel for higher-order differential operators and generalized exponential functions
A. O. Barvinsky, P. I. Pronin, W. Wachowski
We consider the heat kernel for higher-derivative and nonlocal operators in -dimensional Euclidean space-time and its asymptotic behavior. As a building block for operators of s…
Towards Massless Sector of Tensionless Strings on
Alexey Sharapov, Evgeny Skvortsov, Tung Tran
{A} Higher Spin Gravity in five dimensions is constructed. It was shown recently that constructing formally consistent classical equations of motion of higher spin gravities is equ…