Vol. 132, No. 5, 2021

Journal of Experimental and Theoretical Physics

Atoms, Molecules, Optics

Influence of (0, 1)* Laguerre-Gaussian Field Distribution on Tunneling Ionization Rate

T. B. Miladinović, S. Simić, N. Danilović and M. Z. Jeremić p. 753 abstract

Increase in the Momentum Spread of an Ultrarelativistic Electron Beam in an Undulator

V. V. Ognivenko p. 766 abstract

Excitation of a Quantum Oscillator by Charged Particles

V. A. Astapenko, Yu. A. Krotov and E. V. Sakhno p. 776 abstract

Nuclei, Particles, Fields, Gravitation, and Astrophysics

Occurrence of a Turning Point in the Dynamic Solution for a Reissner–Nordström Black Hole

A. A. Shatskiy p. 781 abstract

Solids and Liquids

Relaxation Contribution of a System of Jahn–Teller Complexes to the Elastic Moduli of Doped Fluorites

M. N. Sarychev, A. S. Bondarevskaya, I. V. Zhevstovskikh, V. A. Ulanov, G. S. Shakurov, A. V. Egranov, V. T. Surikov, N. S. Averkiev and V. V. Gudkov p. 790 abstract

Order, Disorder, and Phase Transition in Condensed System

Generation and Propagation of Fractional Fluxons in Josephson Media

V. I. Ruzhickiy, A. A. Maksimovskaya, I. I. Soloviev, S. V. Bakurskiy and N. V. Klenov p. 800 abstract

Spin Glass and Isotropic Negative Magnetoresistance in GaAs–AlGaAs Quantum Wells with a Virtual Anderson Transition

A. V. Shumilin, V. I. Kozub, N. V. Agrinskaya, N. Yu. Mikhailin and D. V. Shamshur p. 810 abstract

Agglomeration of Nanowires on a Substrate for Surface-Enhanced Raman Scattering

I. V. Razumovskaya, N. P. Kovalets, S. A. Bedin and Yu. V. Grigor’ev p. 818 abstract

Electronic Properties of Solid

Impurity States in Semimagnetic Quantum Well Wire with Anisotropic Confinement along In-Plane Directions

P. Kalpana and K. Jayakumar p. 824 abstract

Magnetotransport Effects and Electronic Phase Separation in Manganese Sulfides with Electron–Hole Doping

O. B. Romanova, S. S. Aplesnin, M. N. Sitnikov and L. V. Udod p. 831 abstract

Higher Harmonic Generation of Coherent Sub-THz Radiation at Lifshitz Transition in Gapped Bilayer Graphene

A. G. Ghazaryan p. 843 abstract

Statistical, Nonlinear, and Soft Matter Physics

Sharp Change in the Exchange Bias and the Magnetic Anisotropy Symmetry at a Subthreshold Interlayer Copper Content in NiFe/Cu/IrMn Heterostructures

M. V. Bakhmet’ev, A. D. Talantsev and R. B. Morgunov p. 852 abstract

Similarity Laws for the Green Function of the Nonstationary Superdiffusive Transport: Lévy Walks and Lévy Flights

A. B. Kukushkin, A. A. Kulichenko and A. V. Sokolov p. 865 abstract