Izvestiya of Saratov University. Physics: Latest issue http://www.mathnet.ru/eng/isuph 2025, Volume 25, Issue Issue 4 en-gb Copyright 2026, Fri, 23 Jan 2026 00:00:00 +0300 math-net2026_04@mi-ras.ru tche@mi-ras.ru Izvestiya of Saratov University. Physics http://www.mathnet.ru/JrnLogos/isuph/isuph_big.jpg http://www.mathnet.ru/eng/isuph On the properties of stationary configurations of a rotating self-gravitating ideal fluid with a vortex gravitational field V. G. Krechet, V. B. Oshurko, A. E. Kisser Izv. Sarat. Univ. Physics, 2025, 25:4, 396--407 http://mi.mathnet.ru/eng/isuph585 Fri, 23 Jan 2026 00:00:00 +0300 Fri, 23 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph585 On peculiarities of application of the auxiliary system approach for the generalized chaotic synchronization regime detection P. P. Gubenko, A. A. Koronovskii, O. I. Moskalenko Izv. Sarat. Univ. Physics, 2025, 25:4, 408--413 http://mi.mathnet.ru/eng/isuph586 Fri, 23 Jan 2026 00:00:00 +0300 Fri, 23 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph586 Development of a prototype of flexible antennas with a passivation layer for electrical impedance sensors A. A. Serdobintsev, I. O. Kozhevnikov, E. A. Ryabov, O. I. Gusliakova, E. S. Prikhozhdenko Izv. Sarat. Univ. Physics, 2025, 25:4, 414--424 http://mi.mathnet.ru/eng/isuph587 Fri, 23 Jan 2026 00:00:00 +0300 Fri, 23 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph587 Hydrogen bonding in saturated acids triglyceride monohydrates: MD and DFT modeling K. V. Berezin, E. Yu. Stepanovich, K. N. Dvoretsky, E. M. Antonova, A. M. Likhter, I. Yu. Yanina Izv. Sarat. Univ. Physics, 2025, 25:4, 425--437 http://mi.mathnet.ru/eng/isuph588 Fri, 23 Jan 2026 00:00:00 +0300 Fri, 23 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph588 Design of a terahertz radiation modulator based on the effect of multi-wave interference in a layered structure consisting of a large number of liquid crystal $\pi$-cells A. F. Mulamahawsh, G. V. Simonenko Izv. Sarat. Univ. Physics, 2025, 25:4, 438--448 http://mi.mathnet.ru/eng/isuph589 Fri, 23 Jan 2026 00:00:00 +0300 Thu, 22 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph589 Comparison of coarse-grained and all-atom “membrane-solvent” systems as models of memcapacitors under alternating electric field I. I. Zlochevskiy, D. V. Zav'yalov Izv. Sarat. Univ. Physics, 2025, 25:4, 449--459 http://mi.mathnet.ru/eng/isuph590 Fri, 23 Jan 2026 00:00:00 +0300 Thu, 22 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph590 Thermal imaging of microhemodynamics and integrated mapping of sweat gland activity as a method for diagnosing autonomic neuropathy A. A. Sagaidachnyi, A. V. Antonov, I. S. Zaletov, D. I. Mayskov, A. V. Fomin, S. N. Potakhin, An. V. Skripal Izv. Sarat. Univ. Physics, 2025, 25:4, 460--473 http://mi.mathnet.ru/eng/isuph591 Fri, 23 Jan 2026 00:00:00 +0300 Thu, 22 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph591 Estimation of the stationarity time of infra-slow oscillations of brain potentials using electroencephalogram signals E. I. Borovkova, D. V. Vasilieva, A. S. Karavaev, Yu. M. Ishbulatov, V. I. Ponomarenko, B. P. Bezruchko, M. D. Prokhorov Izv. Sarat. Univ. Physics, 2025, 25:4, 474--484 http://mi.mathnet.ru/eng/isuph592 Fri, 23 Jan 2026 00:00:00 +0300 Fri, 23 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph592 Sensor properties of thin films of perforated graphene functionalized with COOH groups: DFTB study P. V. Barkov, M. M. Slepchenkov, O. E. Glukhova Izv. Sarat. Univ. Physics, 2025, 25:4, 485--494 http://mi.mathnet.ru/eng/isuph593 Fri, 23 Jan 2026 00:00:00 +0300 Fri, 23 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph593 Investigation of the conductive properties of composite polymer materials based on polyvinylpyrrolidone doped with single and double-walled nanotubes L. S. Elbakyan, I. V. Zaporotskova Izv. Sarat. Univ. Physics, 2025, 25:4, 495--504 http://mi.mathnet.ru/eng/isuph594 Fri, 23 Jan 2026 00:00:00 +0300 Fri, 23 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph594 Academician Lev P. Pitaevskii: Saratov years of life, family aura S. V. Churochkina, D. V. Churochkin, V. M. Anikin Izv. Sarat. Univ. Physics, 2025, 25:4, 505--518 http://mi.mathnet.ru/eng/isuph595 Fri, 23 Jan 2026 00:00:00 +0300 Fri, 23 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph595 In memory of Professor Nikolay Ivanovich Sinitsyn (June 1, 1937 -- November 2, 2025) Izv. Sarat. Univ. Physics, 2025, 25:4, 519--521 http://mi.mathnet.ru/eng/isuph596 Fri, 23 Jan 2026 00:00:00 +0300 Fri, 23 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph596 In memory of Professor Raouf Zagidovich Bakhtizin (January 20, 1943 -- September 10, 2025) Izv. Sarat. Univ. Physics, 2025, 25:4, 522--523 http://mi.mathnet.ru/eng/isuph597 Fri, 23 Jan 2026 00:00:00 +0300 Fri, 23 Jan 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/isuph597