Contents

JETP Letters

Vol. 118, No. 9, 2023

Fields, Particles, and Nuclei

Search for Resonances in the Mass Spectrum of Two-Photon Events Produced in π+A-Interactions in the Hyperon-M Experiment at the U-70 Accelerator Complex

A. M. Gorin, S. V. Evdokimov, A. A. Zaitsev, V. I. Izucheev, B. V. Polishchuk, K. A. Romanishin, V. I. Rykalin, S. A. Sadovsky, Yu. V. Kharlov and A. A. Shangaraev p. 611  abstract

Optics and Laser Physics

Size-Dependent One- and Two-Photon Fluorescence of Acetonitrile-Derived Carbon Dots

A. A. Astafiev, A. M. Shakhov and V. A. Nadtochenko p. 619  abstract

Identification of Optically Active Quartet Spin Centers Based on a Si Vacancy in SiC Promising for Quantum Technologies

R. A. Babunts, Yu. A. Uspenskaya, A. P. Bundakova, G. V. Mamin, E. N. Mokhov and P. G. Baranov p. 629  abstract

Spin Chaos of Exciton Polaritons in a Magnetic Field

S. S. Gavrilov, N. N. Ipatov and V. D. Kulakovskii p. 637  abstract

Condensed Matter

Nonequilibrium Phenomena in Planar Mesoscopic Josephson SNS Structures Based on Superconducting Nb

I. S. Lakunov, S. V. Egorov, E. D. Mukhanova, I. E. Batov, T. E. Golikova and V. V. Ryazanov p. 644  abstract

Dimensionality-Driven Evolution of Electronic Structure and Transport Properties in Pressure-Induced Phases of Ca2N Electride

M. A. Mazannikova, Dm. M. Korotin, V. I. Anisimov, A. R. Oganov and D. Y. Novoselov p. 651  abstract

Josephson Dynamics at High Transmissions: Voltage and Current Bias Limits

A. V. Galaktionov and A. D. Zaikin p. 658  abstract

Specific Features of Bragg Resonances in a Magnonic Crystal with Two Periods

M. A. Morozova, O. V. Matveev, A. S. Ptashenko, A. V. Sadovnikov and S. A. Nikitov p. 664  abstract

Ab Initio Study of the Adsorption of Li and Na on the Surface of a MgCl2 Monolayer

S. V. Ustiuzhanina and A. A. Kistanov p. 670  abstract

Metal–Insulator Transition and Other Electronic Properties of AB-Stacked Bilayer Graphene Deposited on a Ferromagnetic Substrate

I. E. Gobelko, A. V. Rozhkov and D. N. Dresvyankin p. 676  abstract

Nature of Dielectric Relaxation in SrTiO3:Mn Single Crystals

M. V. Talanov, E. S. Zhukova, B. M. Nekrasov, M. Savinov, V. I. Kozlov, B. P. Gorshunov and A. A. Bush p. 684  abstract

Anatomy of the Band Structure of the Newest Apparent Near-Ambient Superconductor LuH3 – xNx

N. S. Pavlov, I. R. Shein, K. S. Pervakov, V. M. Pudalov and I. A. Nekrasov p. 693  abstract