International year of quantum science and technology. Reviews of topical problems

R.A. Akhmedzhanov, Yu.Yu. Balega, A.D. Deev, A.A. Kalachev “Quantum repeaters: current research trends and latest achievements” Phys. Usp. 68 857–882 (2025)

Reviews of topical problems

M.A. Mochalov, R.I. Ilkaev “Properties of nonideal plasma of noble gases and nitrogen shock compressed to 1 TPa” Phys. Usp. 68 883–904 (2025)

Instruments and methods of investigation

V.V. Lider “Pumping and X-ray probing technique” Phys. Usp. 68 905–922 (2025)

On the 270th Anniversary of the M.V. Lomonosov Moscow State University (MSU). Instruments and methods of investigation

A.P. Chernyaev “Nuclear physics technologies in medicine” Phys. Usp. 68 923–940 (2025)

Methodological notes

M.V. Kondrin, Yu.B. Lebed’, Yu.D. Fomin, V.V. Brazhkin “On the problem of thermodynamic fluctuations in computer simulations” Phys. Usp. 68 941–946 (2025)

S.V. Tarasenko, V.G. Shavrov “Elastostatic spin waves — 'fine structure' of magnon polaron spectrum of acoustically subwavelength magnetic layer” Phys. Usp. 68 947–953 (2025)

Letters to the editors

G.S. Golitsyn “Probability distributions over energy and areas in processes described by Kolmogorov's 1934 random motion equation” Phys. Usp. 68 954–956 (2025)

Personalia

D.V. Bisikalo, M.Yu. Glyavin, G.G. Denisov, L.M. Zelenyi, R.I. Ilkaev, V.V. Kveder, I.Yu. Kostyukov, A.G. Litvak, E.A. Mareev, O.V. Rudenko, E.A. Khazanov, B.Yu. Sharkov “Aleksandr Mikhailovich Sergeev (on his 70th birthday)” Phys. Usp. 68 957–959 (2025)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet: September 2025” Phys. Usp. 68 960–961 (2025)