1. On the Calculation of the Special Geometry for a Calabi—Yau Loop Manifold and Two Constructions of the Mirror Manifold

   • A. A. Artem’ev
   • I. V. Kochergin

   Fields, Particles, and Nuclei 20 November 2020 Pages: 263 - 268

2. Generation of Optical—Terahertz Biphotons and Detection of Their Terahertz Component under Frequency-Nondegenerate Parametric Down-Conversion

   • V. D. Sultanov
   • K. A. Kuznetsov
   • G. Kh. Kitaeva

   Optics and Laser Physics 20 November 2020 Pages: 269 - 273

3. Atom—Field Correlations in the Weak-Excitation Limit of Absorptive Optical Bistability

   • Th. K. Mavrogordatos

   Optics and Laser Physics 20 November 2020 Pages: 274 - 282

4. Snake—Modulation Dynamics of an Optical—Terahertz Soliton in a Graded-Index Waveguide

   • S. V. Sazonov

   Optics and Laser Physics 20 November 2020 Pages: 283 - 289

5. Insight into Structural, Electronic, Magnetic, and Elastic Properties of Full-Heusler Alloys Co₂YPb (Y = Ti, V, Fe, and Mo): Ab Initio Study

   • A. Zitouni
   • G. Remil
   • S. Bentata

   Condensed Matter 20 November 2020 Pages: 290 - 298

6. Bose—Einstein Condensation and Spin Superfluidity of Magnons in a Perpendicularly Magnetized Yttrium Iron Garnet Film

   • P. M. Vetoshko
   • G. A. Knyazev
   • Yu. M. Bunkov

   Condensed Matter 20 November 2020 Pages: 299 - 304

7. Wave-Packet Dynamics Study of the Transport Characteristics of Perforated Bilayer Graphene Nanoribbons

   • V. A. Demin
   • D. G. Kvashnin
   • L. A. Chernozatonskii

   Condensed Matter 20 November 2020 Pages: 305 - 309

8. Diffusion of Nanobubbles in fcc Aluminum

   • A. S. Antropov

   Condensed Matter 20 November 2020 Pages: 310 - 315

9. Adiabatic Ratchet Effect in Systems with Discrete Variables

   • V. M. Rozenbaum
   • I. V. Shapochkina
   • L. I. Trakhtenberg

   Miscellaneous 20 November 2020 Pages: 316 - 322