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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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51 papers · 2 filters
On (Un)Broken Higher-Spin Symmetry in Vector Models
E. D. Skvortsov
The simplest consequences of exact and broken higher-spin symmetry are studied. The one-loop anomalous dimensions of higher-spin currents are determined from the multiplet recombin…
On elementary proof of AGT relations from six dimensions
A. Mironov, A. Morozov, Y. Zenkevich
The actual definition of the Nekrasov functions participating in the AGT relations implies a peculiar choice of contours in the LMNS and Dotsenko-Fateev integrals. Once made explic…
Peculiarities of electron energy spectrum in Coulomb field of super heavy nucleus
D. M. Gitman, B. L. Voronov, R. Ferreira +1
Just after the Dirac equation was established, a number of physicists tried to comment on and solve the spectral problem for the Dirac Hamiltonian with the Coulomb field of arbitra…
From global to heavy-light: 5-point conformal blocks
K. B. Alkalaev, V. A. Belavin
We consider Virasoro conformal blocks in the large central charge limit. There are different regimes depending on the behavior of the conformal dimensions. The most simple regime i…
Charges in nonlinear higher-spin theory
V. E. Didenko, N. G. Misuna, M. A. Vasiliev
Nonlinear higher-spin equations in four dimensions admit a closed two-form that defines a gauge-invariant global charge as an integral over a two-dimensional cycle. In this paper w…
Gauge Non-Invariant Higher-Spin Currents in
P. A. Smirnov, M. A. Vasiliev
Conserved currents of any spin built from bosonic symmetric massless gauge fields of arbitrary integer spins in are found. Analogously to the case of Minkowski s…
Boundary values of mixed-symmetry massless fields in AdS space
Alexander Chekmenev, Maxim Grigoriev
We elaborate on the ambient space approach to boundary values of gauge fields and apply it to massless fields of mixed-symmetry type. In the most interesting case of od…
Perturbative analysis in higher-spin theories
V. E. Didenko, N. G. Misuna, M. A. Vasiliev
A new scheme of the perturbative analysis of the nonlinear HS equations is developed giving directly the final result for the successive application of the homotopy integrations wh…
Renormalization of Horava Gravity
Andrei O. Barvinsky, Diego Blas, Mario Herrero-Valea +2
We prove perturbative renormalizability of projectable Horava gravity. The key element of the argument is the choice of a gauge which ensures the correct anisotropic scaling of the…
Exactly solvable cases in QED with t-electric potential steps
T. C. Adorno, S. P. Gavrilov, D. M. Gitman
In this paper, we present in detail consistent QED (and scalar QED) calculations of particle creation effects in external electromagnetic field that correspond to three most import…
Speed addition and closed time cycle in Lorentz-non-invariant theories
Anatoly E. Shabad
In theories, whose Lorentz invariance is violated by involvement of an external any-rank tensor, we show that the standard relativistic rule still holds true for summing the signal…
Universal Racah matrices and adjoint knot polynomials. I. Arborescent knots
A. Mironov, A. Morozov
By now it is well established that the quantum dimensions of descendants of the adjoint representation can be described in a universal form, independent of a particular family of s…
CFT driven cosmology and conformal higher spin fields
Andrei O. Barvinsky
Conformal higher spin (CHS) field theory, which is a solid part of recent advanced checks of AdS/CFT correspondence, finds applications in cosmology. Hidden sector of weakly intera…
Scattering and pair creation by a constant electric field between two capacitor plates
S. P. Gavrilov, D. M. Gitman
Using the quantum field theory approach developed in Phys. Rev. D. 93, 045002 (2016), we consider particle scattering and vacuum instability in the so-called L-constant electric fi…
BRST-BV approach to conformal fields
R. R. Metsaev
Using the BRST--BV approach, we consider totally symmetric arbitrary integer spin conformal fields propagating in flat space. For such fields, we obtain the ordinary-derivative BRS…
SU(2)/SL(2) knot invariants and KS monodromies
D. Galakhov, A. Mironov, A. Morozov
We review the Reshetikhin-Turaev approach to construction of non-compact knot invariants involving R-matrices associated with infinite-dimensional representations, primarily those…
Origin of inflation in CFT driven cosmology: -gravity and non-minimally coupled inflaton models
A. O. Barvinsky, A. Yu. Kamenshchik, D. V. Nesterov
We present a detailed derivation of the recently suggested new type of hill-top inflation [arXiv:1509.07270] originating from the microcanonical density matrix initial conditions i…
Monodromic vs geodesic computation of Virasoro classical conformal blocks
K. B. Alkalaev, V. A. Belavin
We compute 5-point classical conformal blocks with two heavy, two light, and one superlight operator using the monodromy approach up to third order in the superlight expansion. By…
On universal knot polynomials
A. Mironov, R. Mkrtchyan, A. Morozov
We present a universal knot polynomials for 2- and 3-strand torus knots in adjoint representation, by universalization of appropriate Rosso-Jones formula. According to universality…
Symmetries of higher-spin current interactions in four dimensions
O. A. Gelfond, M. A. Vasiliev
Current interaction of massless fields in four dimensions is shown to break sp (8) symmetry of free massless equations of all spins down to the conformal symmetry su (2,2). This br…
Conformal anomaly c-coefficients of superconformal 6d theories
Matteo Beccaria, Arkady A. Tseytlin
We propose general relations between the conformal anomaly and the chiral (R-symmetry and gravitational) anomaly coefficients in 6d (1,0) superconformal theories. The suggested exp…
New type of hill-top inflation
A. O. Barvinsky, A. Yu. Kamenshchik, D. V. Nesterov
We suggest a new type of hill-top inflation originating from the initial conditions in the form of the microcanonical density matrix for the cosmological model with a large number…
Moving point charge as a soliton in nonlinear electrodynamics
D. M. Gitman, A. E. Shabad, A. A. Shishmarev
The field of a moving pointlike charge is determined in nonlinear local electrodynamics. As a model Lagrangian for the latter we take the one whose nonlinearity is the Euler-Heisen…
BRST-BV approach to massless fields adapted to AdS/CFT correspondence
R. R. Metsaev
Using BRST-BV formulation of relativistic dynamics, arbitrary spin massless and massive field propagating in flat space and arbitrary spin massless fields propagating in AdS space…