Contents

Journal of Experimental and Theoretical Physics

Vol. 132, No. 4, 2021

Editorial

To the 90th Birthday of Igor Ekhilievich Dzyaloshinskii

p. 481  abstract

Multiferroics and Beyond: Electric Properties of Different Magnetic Textures

D. I. Khomskii p. 482  abstract

Analogy between the Magnetic Dipole Moment at the Surface of a Magnetoelectric and the Electric Charge at the Surface of a Ferroelectric

N. A. Spaldin p. 493  abstract

A DMI Guide to Magnets Micro-World

V. V. Mazurenko, Y. O. Kvashnin, A. I. Lichtenstein and M. I. Katsnelson p. 506  abstract

Dzyaloshinskii Interaction and Exchange-Relativistic Effects in Orthoferrites

A. S. Moskvin p. 517  abstract

Effect of Electronic Correlations on the Electronic Structures of the FeAlO3 and FeSiO3 Compounds

E. D. Chernov, A. V. Lukoyanov and V. I. Anisimov p. 548  abstract

Piezomagnetism in Ferromagnetic Superconductors

V. P. Mineev p. 556  abstract

Anisotropy of the Magnetic Phases in Cubic Helimagnets

V. A. Chizhikov p. 559  abstract

Dynamics of Domain Walls in Chiral Magnets

E. G. Galkina, B. A. Ivanov, N. E. Kulagin, L. M. Lerman and I. A. Yastremskii p. 572  abstract

Anomalous Spin-Flop in Antiferromagnetic Cu(pz)2(ClO4)2

V. I. Marchenko p. 586  abstract

Critical Fluctuations Beyond the Quantum Phase Transition in Dzyaloshinskii–Moriya Helimagnets Mn1 – xFexSi

S. V. Grigoriev, O. I. Utesov, N. M. Chubova, C. D. Dewhurst, D. Menzel and S. V. Maleyev p. 588  abstract

Droplets of the Order Parameter in a Low Density Attracting Electron System in the Presence of a Strong Random Potential

M. Yu. Kagan and E. A. Mazur p. 596  abstract

Pairing by a Dynamical Interaction in a Metal

A. V. Chubukov and A. Abanov p. 606  abstract

Nickelate Superconductors: An Ongoing Dialog between Theory and Experiments

A. S. Botana, F. Bernardini and A. Cano p. 618  abstract

Asymptotic Theory of Anisotropic Classical Diffusion in Inhomogeneous Media

P. S. Kondratenko, A. L. Matveev and Yu. N. Obukhov p. 628  abstract

Nonclassical Impurity Transport in the Dykhne Model with Coordinate-Dependent Parameters. Fermat Principle

P. S. Kondratenko and A. L. Matveev p. 632  abstract

Dynamic Charged Structures in Nematics with Negative Anisotropy of Electroconductivity

S. A. Pikin p. 637  abstract

Combined Defects in Ferroelectric Nematics

E. I. Kats p. 641  abstract

Poisson Brackets of Hydrodynamic Type and Their Generalizations

A. Ya. Maltsev and S. P. Novikov p. 645  abstract

Dicke Model Semiclassical Dynamics in Superradiant Dipolar Phase in the “Bound Luminosity” State

S. I. Mukhin, A. Mukherjee and S. S. Seidov p. 658  abstract

Damped Oscillators within the General Theory of Casimir and van der Waals Forces

Yu. S. Barash p. 663  abstract

Kinetic Processes in Fermi–Luttinger Liquids

A. Levchenko and T. Micklitz p. 675  abstract

Symmetry Approach in the Problem of Gas Expansion into Vacuum

E. A. Kuznetsov and M. Yu. Kagan p. 704  abstract

Phase Slips, Dislocations, Half-Integer Vortices, Two-Fluid Hydrodynamics, and the Chiral Anomaly in Charge and Spin Density Waves

S. Brazovskii and N. Kirova p. 714  abstract

Dimensionless Physics

G. E. Volovik p. 727  abstract

Towards Lefschetz Thimbles in Sigma Models, I

I. Krichever and N. Nekrasov p. 734  abstract