Contents

JETP Letters

Vol. 107, No. 5, 2018

A simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. JETP Letters ISSN 0021-3640.

Fields, Particles, and Nuclei

Doubly Charmed Baryon Mass and Wave Function through a Random Walks Method

B. O. Kerbikov p. 273  abstract

Isotopic Symmetry Breaking in the η(1405) → f0(980)π0 → π+π–π0. Decay through a $K\bar {K}$ Loop Diagram and the Role of Anomalous Landau Thresholds

N. N. Achasov and G. N. Shestakov p. 276  abstract

Optics and Laser Physics

Elastic Scattering of Two Photons by a Multicharged Atomic Ion

A. N. Hopersky and A. M. Nadolinsky p. 282  abstract

Generation of Broadband Near-Infrared (2–2.5 μm) Radiation from an Optical Parametric Amplifier Driven by a Cr:Forsterite Laser Near Dispersion Anomalies of Tuning Curves

E. A. Migal and F. V. Potemkin p. 285  abstract

First-Order Nonspecular Effects Induced by an External Electric Field at the Normal Incidence of a Quasiplane Wave on a Gyrotropic Dielectric Layer

S. V. Tarasenko and V. G. Shavrov p. 289  abstract

Enhancement of Nonlinear Optical Effects in Porous Composite Plasmonic Structures

N. V. Mitetelo, S. E. Svyakhovskiy, A. D. Gartman, A. A. Kudrinskii, T. V. Murzina and A. I. Maydykovskiy p. 297  abstract

Condensed Matter

Increase in the Critical Temperature of the Superconducting Transition of a Hybrid Structure upon the Magnetization of Spiral Antiferromagnets

N. G. Pugach and M. O. Safonchik p. 302  abstract

Long-Lived Quantum Vortex Knots

V. P. Ruban p. 307  abstract

Thermodynamics of a Magnetic Transition in MnS2 at High Pressures

V. A. Sidorov, Jing Guo, Liling Sun and V. V. Brazhkin p. 311  abstract

Features of 30° Moiré Graphene Bilayers with Folded Holes

L. A. Chernozatonskii and V. A. Demin p. 315  abstract

Classical Effects in the Weak-Field Magnetoresistance of InGaAs/InAlAs Quantum Wells

M. Yu. Melnikov, A. A. Shashkin, V. T. Dolgopolov, G. Biasiol, S. Roddaro and L. Sorba p. 320  abstract

Polar Phase of Superfluid 3He: Dirac Lines in the Parameter and Momentum Spaces

G. E. Volovik p. 324  abstract

Miscellaneous

Structure of Energy Fluxes in Topological Three-Dimensional Dissipative Solitons

S. V. Fedorov, N. N. Rosanov and N. A. Veretenov p. 327  abstract