Contents

JETP Letters

Vol. 116, No. 10, 2022

Fields, Particles, and Nuclei

Features of the Alpha Decay of Highly Excited States of the 10Be Nucleus

D. M. Rodkin and Yu. M. Tchuvil’sky p. 663  abstract

Result of the Neutrino-4 Experiment and the Cosmological Constraints on the Sterile Neutrino (Brief Review)

A. P. Serebrov, R. M. Samoilov, M. E. Chaikovskii and O. M. Zherebtsov p. 669  abstract

Optics and Laser Physics

Effect of the Length and Pressure of a Gas Jet on Optical Harmonics Generation by 4.5-μm Femtosecond Laser Radiation of a Fe:ZnSe Laser System

B. V. Rumiantsev, A. V. Pushkin, K. E. Mikheev and F. V. Potemkin p. 683  abstract

Schmidt Modes and the Time-Dependent Wavefunction of a Broadband Biphoton Field

P. A. Prudkovskii p. 691  abstract

Condensed Matter

Self-Sustained Oscillations of the Torque under High-Pressure Torsion in an NdFeB Alloy

A. A. Mazilkin, S. G. Protasova, B. B. Straumal and A. V. Druzhinin p. 698  abstract

Two-Dimensional Yukawa System: The Behavior of Defects near the Melting Region

B. A. Klumov p. 703  abstract

Determination of the Superconducting Order Parameter of BaFe1.92Ni0.08As2 Weakly Underdoped Pnictides by Two Complementary Techniques

A. V. Sadakov, A. V. Muratov, S. A. Kuzmichev, O. A. Sobolevskiy, B. I. Massalimov, A. R. Prishchepa, V. M. Mikhailov, K. S. Pervakov, V. A. Vlasenko and T. E. Kuzmicheva p. 708  abstract

Influence of Crystallization on the 3D Structure of Pores in Ferroelectric PZT Films

A. V. Atanova, D. N. Khmelenin and O. M. Zhigalina p. 716  abstract

Andreev Spectroscopy of EuCsFe4As4 Stoichiometric Superconducting Pnictide

S. A. Kuzmichev, K. S. Pervakov, V. A. Vlasenko, A. Yu. Degtyarenko, S. Yu. Gavrilkin and T. E. Kuzmicheva p. 723  abstract

Charge Distribution and Spin Textures in Magic-Angle Twisted Bilayer Graphene

A. O. Sboychakov, A. V. Rozhkov and A. L. Rakhmanov p. 729  abstract

Mechanical Characteristics of Diamond-Like Moiré Films

A. A. Artyukh and L. A. Chernozatonskii p. 737  abstract

Sound-like Oscillations in the Polar Phase of Superfluid 3He in a Nematic Aerogel

E. V. Surovtsev p. 745  abstract

Methods of Theoretical Physics

One-Dimensional World as a Tool to Study Chiral Effects

Z. V. Khaidukov p. 754  abstract

Erratum

Erratum to: Magnetic Properties of Fe4BO7 and Mn4BO7 Tetraborates in Three Structure Types

A. S. Shinkorenko p. 759  abstract

Erratum to: Several Articles in JETP Letters

p. 760  abstract

Erratum to: Several Articles in JETP Letters

p. 762  abstract

Erratum to: Several Articles in JETP Letters

p. 764  abstract