Contents

Journal of Experimental and Theoretical Physics


Vol. 142, No. 3, 2026


Theoretical Design and Performance Evaluation of a Hot-Mirror Optical Filter for Photovoltaic Cells

H. S. Al-Arab and A. Z. Manshad p. 219  abstract

Effect of Water and Ethanol Immersion on the Thermal Conductivity of Polyethylene Fiber–Reinforced Epoxy Composites

Mohanad R. Alsalmani, Yousif Sarhan, Laith Saleh Alhiti, Abd-Ulrahman Dhafer Sabah, Mudatheer M. Al-Slivani, and Aws Z. Abdulmajeed p. 227  abstract

Construction of a Predictive Model of a Nonstationary Random Process and Analysis of Its Trends and Covariance Functions

V. Yu. Stroganov and I. S. Belashova p. 234  abstract

Centrality-Driven Modifications of Kinetic Freeze-out Spectra at \(\sqrt {{{s}_{{NN}}}} \) = 62.4 GeV

Riyaz Ahmed Bhat and Saeed Uddin p. 240  abstract

Turn-on Times for Torsional Straining of a Lyotropic Nematic in a Magnetic Field with an Arbitrary Orientation Relative to the Director

A. V. Golovanov p. 247  abstract

Entropic Dependences of Thermal Radiation of Solid Alloys of the Iron–Cobalt System

D. V. Kosenkov and V. V. Sagadeev p. 253  abstract

Physicomechanical Characteristics of Climatically Stable Basalt Plastics in Extremely Cold Climatic Conditions

A. K. Kychkin, A. A. Gavrilieva, M. P. Lebedev, A. A. Kychkin, A. A. Gabyshev, and A. E. Markov p. 259  abstract

Optical Soliton Analysis for the (3+1)-Dimensional Sakovich Equation in Fluid Dynamics via Generalized Exponential Rational Differential Function Method

Salim S. Mahmood and Muhammad Amin S. Murad p. 268  abstract

A Unified Dark Sector from Dynamical-Ledger Drift

Daegene Song p. 285  abstract

Modification of the Structure and Properties of Fluoropolymer Composites by Ultraviolet Radiation

E. V. Vinogradov, V. G. Luhin, and N. G. Valko p. 291  abstract

A Comparative Study of the Mechanical Properties and Swelling Resistance of Diene Rubber-Based Nanocomposites Reinforced by Pristine and Surface-Functionalized Carbon Nanotubes

S. Vishvanathperumal and K. N. Ramu p. 297  abstract

Third Harmonic Generation in Collisionless Plasma Driven by Cosh-Gaussian Laser Beams

Keshav Walia p. 329  abstract

Enhanced Third Harmonic Generation of q-Gaussian Laser Beams in Underdense Plasma: Relativistic-Ponderomotive Effects

Keshav Walia p. 336  abstract

Field-Tunable Spin–Valley Polarized Transport in Zigzag Germanene Nanoribbons

Yao Xu and Zhi-qiang Bao p. 347  abstract