Contents

JETP Letters

Vol. 118, No. 6, 2023

Fields, Particles, and Nuclei

Estimates of Absolute Branching Fractions for the f0(1710) Decays and Radiative Transitions ψ(2S) → γf0(1710) and ϒ(1S) → γf0(1710)

N. N. Achasov and G. N. Shestakov p. 385  abstract

Proton-Spin-Flipping System Based on Orbit-Steerer Dipoles in the Nuclotron/JINR Operating at the γG = 7 Spin Resonance

Yu. N. Filatov, A. M. Kondratenko, N. N. Nikolaev, Yu. V. Senichev, M. A. Kondratenko, S. V. Vinogradov, E. D. Tsyplakov, A. V. Butenko, S. A. Kostromin, V. P. Ladygin, E. M. Syresin, I. L. Guryleva, A. A. Melnikov and A. E. Aksentev p. 387  abstract

Optics and Laser Physics

Terahertz Third-Harmonic Generation in Topological Insulators Based on Bismuth and Antimony Chalcogenides

K. A. Kuznetsov, P. I. Kuznetsov, A. D. Frolov, A. M. Konovalov, P. M. Kovaleva and G. Kh. Kitaeva p. 395  abstract

Twin Bound States in the Continuum in a Waveguide Fabry–Pérot Resonator

N. M. Shubin, V. V. Kapaev and A. A. Gorbatsevich p. 401  abstract

New Soliton Regime of Generation of Broadband Terahertz Radiation by Laser Pulses with Tilted Wave Fronts

S. V. Sazonov and N. V. Ustinov p. 408  abstract

Effect of the Energy Conservation Law, Space Dimension, and Problem Symmetry on the Poynting Vector Field Singularities

M. I. Tribelsky p. 414  abstract

Plasma, Hydro- and Gas Dynamics

Two Dynamical Regimes of Coherent Columnar Vortices in a Rotating Fluid

D. D. Tumachev, S. V. Filatov, S. S. Vergeles and A. A. Levchenko p. 426  abstract

Condensed Matter

Coulomb Correlation Gap at Magnetic Tunneling between Graphene Layers

Yu. N. Khanin, E. E. Vdovin, S. V. Morozov and K. S. Novoselov p. 433  abstract

In What Magnetic Field Does an Edge Magnetoplasmon Arise?

V. M. Muravev, A. M. Zarezin, P. A. Gusikhin and I. V. Kukushkin p. 439  abstract

Nonreciprocity of the Flexomagnetoelectric Effect with Respect to the Sign of Affecting Charges

E. B. Magadeev and R. M. Vakhitov p. 443  abstract

Goldstone Mode of Skyrmion Crystal

V. E. Timofeev and D. N. Aristov p. 448  abstract

Nonlinear Optical Response of an Excited 1/3 Laughlin Liquid

L. V. Kulik, A. S. Zhuravlev, A. V. Larionov, A. B. Van’kov, A. A. Zagitova, I. V. Kukushkin and V. Umansky p. 455  abstract