Contents

Journal of Experimental and Theoretical Physics

Vol. 132, No. 2, 2021

Atoms, Molecules, Optics

Can Isotropic Negative Permittivity ε and Permeability μ Metamaterials Exist?

M. V. Davidovich p. 159  abstract

Studies of the Fragmentation of Spherical Aluminum Projectiles on a Heavy Mesh at Velocities of up to 7 km/s

N. N. Myagkov, P. N. Kalmykov, N. V. Lapichev, A. I. Leont’ev, V. N. Nomakonova, A. V. Ponomarev, A. V. Sal’nikov, O. A. Sokolov and T. A. Shumikhin p. 177  abstract

Counterpolarization of an Ensemble of Alkaline Atoms during Optical Pumping: Study with Allowance for Atomic Motion

K. A. Barantsev, A. N. Litvinov, A. S. Pazgalev and A. K. Vershovskii p. 189  abstract

Trigonometric Phase-Difference Operators of Quantum Electromagnetic Fields

A. V. Kozlovskii p. 200  abstract

Counterpropagating Four-Wave Mixing in Ghost Imaging

A. V. Belinsky and R. Singh p. 212  abstract

Effective Quantum Oscillator of a Cavity with Oscillating Parameters

A. I. Trubilko and A. M. Basharov p. 216  abstract

Extreme Ultraviolet Radiation Source Based on a Discharge Sustained by a Radiation Pulse from a Terahertz Free-Electron Laser

I. S. Abramov, E. D. Gospodchikov and A. G. Shalashov p. 223  abstract

Laser Isotope-Selective IR Dissociation of Molecules with a Small Isotopic Shift in Absorption Spectra in Nonequilibrium Thermodynamic Shock Conditions

G. N. Makarov and A. N. Petin p. 233  abstract

Semiclassical Description of Undulator Radiation

A. A. Shishmarev, A. D. Levin, V. G. Bagrov and D. M. Gitman p. 247  abstract

Order, Disorder, and Phase Transition in Condensed System

Ferromagnetic Resonance and Elastic Vibrations in Epitaxial Yttrium Iron Garnet Films

S. N. Polulyakh, V. N. Berzhanskii, E. Yu. Semuk, V. I. Belotelov, P. M. Vetoshko, V. V. Popov, A. N. Shaposhnikov, A. G. Shumilov and A. I. Chernov p. 257  abstract

Electrical Resistivity Training Effect in the Exchange-Biased GdBaCo2O5.5 Cobaltite

N. I. Solin and S. V. Naumov p. 264  abstract

Formation and Growth of Nuclei of the Stable Crystalline Phase in a Supercooled Yukawa Liquid

V. V. Reshetnyak, O. B. Reshetnyak and A. V. Filippov p. 277  abstract

Statistical, Nonlinear, and Soft Matter Physics

Eigenmodes of the Boundary of a Magnetic Barrier Flowed Around by Plasma: the Boundary Membrane Model, Linear and Nonlinear Resonances, and Couplings with Internal Modes

S. P. Savin, V. V. Lyakhov, V. M. Neshchadim, L. M. Zelenyi, Z. Nemecek, J. Safrankova, S. I. Klimov, S. A. Skalsky, M. O. Ryazantseva, L. S. Rakhmanova, C. Wang, H. Li, J. Blecki, J.-L. Rauch, L. Kozak, A. Suvorova and L. A. Lezhen p. 285  abstract

Statistical Properties of Many-Particle Systems with Hierarchical Structure

M. Yu. Romanovsky p. 294  abstract

Modeling Unsteady Bénard-Marangoni Instabilities in Drying Volatile Droplets on a Heated Substrate

A. A. Gavrilina and L. Yu. Barash p. 302  abstract

Convection of a Colloidal Suspension in a Horizontal Layer Heated from Below with Account for Nanoparticle Interaction

I. N. Cherepanov and B. L. Smorodin p. 313  abstract