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Особенности внутренней структуры токовых слоев в бесстолкновительной плазме в присутствии шировой компоненты магнитного поля
Гл. 11.2. С. 222–260.
Ruderman M. S., N. S. Petrukhin, Monthly Notices of the Royal Astronomical Society 2026 Vol. 549 No. 4 Article stag783
For the first time we study kink oscillations of braided coronal magnetic loops. We use the simplest model of a braided loop that consists just of two identical curved magnetic tubes. It is assumed that the plasma density is constant inside the tubes, and also in the surrounding plasma. To describe the kink oscillations we ...
Added: July 12, 2026
Г. Г. Бондаренко, Кристя В. И., Савичкин Д. О. et al., Поверхность. Рентгеновские, синхротронные и нейтронные исследования 2026 № 4 С. 29–36
Сформулирована модель тлеющего газового разряда в смеси аргона и паров ртути при наличии
на поверхности катода тонкой диэлектрической пленки. Рассчитаны зависимости характеристик
разряда от температуры в интервале ее изменения, в котором заметный вклад в ионизацию
рабочей газовой смеси дает ионизация атомов ртути метастабильными возбужденными атомами
аргона (реакция Пеннинга). Показано, что в случае катода без диэлектрической пленки при
повышении температуры до ...
Added: June 20, 2026
Пермский государственный университет, 2025.
Сборник научных трудов подготовлен по материалам 51-й сессии Международного научно-го семинара имени Д.Г. Успенского - В.Н. Страхова «Вопросы теории и практики геологической интерпретации гравитационных, магнитных и электрических полей» (г. Пермь, 27-31 января2025 года). Материалы семинара отражают современное состояние теории и практики интерпретации данных отдельных геофизических методов - гравиметрии, магнитометрии, электрометрии, а также интерпретации данных указанных ...
Added: December 10, 2025
Ruderman M. S., N. S. Petrukhin, Kataeva L. Y., Monthly Notices of the Royal Astronomical Society 2025 Vol. 542 No. 2 P. 1076–1087
We study standing non-linear sausage waves in coronal loops with the plasma temperature varying with time. In our analysis we use the simplest model of a coronal loop in the form of a straight magnetic tube with a circular cross-section. We also assume that the plasma-beta is low. This enables us to neglect the magnetic ...
Added: August 21, 2025
Зелёный Л. М., Захаров А. В., Popel S. et al., Успехи физических наук 2024 Т. 194 № 6 С. 569–599
We review studies of physical processes associated with the impact of external factors in outer space — flows of micrometeoroids and solar radiation — on the lunar regolith. Under the influence of these factors, regolith microparticles can detach from the surface and levitate. Near-surface plasma and levitating dust particles form a plasma-dust exosphere of the ...
Added: July 31, 2024
Borovitskaya I. V., Demin A. S., Komolova O. A. et al., Inorganic Materials: Applied Research 2024 Vol. 15 No. 3 P. 596–605
Damage to the surface layer of the Inconel 718 alloy, manufactured by selective laser melting using
additive technology followed by heat treatment, is studied under conditions of repeated pulsed exposure to
flows of helium ions and helium plasma under two irradiation modes in the Vikhr Plasma Focus installation:
in a soft mode with energy flux density q0 = ...
Added: May 25, 2024
М.: Издательство "Перо", 2024.
В сборнике представлены расширенные тезисы докладов 50-й юбилейной сессии Международного семинара им. Д.Г. Успенского - В.Н. Страхова «Вопросы теории и практики геологической интерпретации гравитационных, магнитных и электрических полей». Материалы семинара отражают современное состояние теории и практики геологической интерпретации геофизических данных. В сборнике приводятся доклады, посвященные современным теориям интерпретации гравиметрических, магнитометрических и геоэлектрических данных. Приводятся результаты ...
Added: March 1, 2024
Borovitskaya I. V., Demin A. S., Komolova O. A. et al., Russian Metallurgy (Metally) 2023 Vol. 2023 No. 7 P. 891–898
The influence of pulsed helium ion (HI) and helium plasma (HP) fluxes on an Inconel 718 alloy
fabricated by an additive technology via selective laser melting and subsequent heat treatment is studied. The
structural changes in the surface layer (SL) after irradiation are analyzed for two different modes: soft (at radiation
power density q = 2 × 108 ...
Added: November 14, 2023
Ruderman M. S., N. S. Petrukhin, Monthly Notices of the Royal Astronomical Society 2023 Vol. 523 No. 2 P. 2074–2082
We study oscillations of two parallel interacting magnetic tubes in the presence of plasma flow along the tubes. Using the cold plasma and thin tube approximations we derive the system of two equations describing these oscillations. This system of equations is valid for equilibria where the plasma density and flow velocity can vary along the ...
Added: July 26, 2023
Peter Bespalov, Kuleshova V., Savilov A., Symmetry 2023 Vol. 15 No. 4 Article 838
In this study, kinetic interaction at the Cherenkov resonance between an electromagnetic wave pulse and a flow of electrons possessing a wide velocity spread at the scale of the characteristic range of the resonant electron wave interaction is considered. Due to the absence of a distribution function slope in the range of velocities corresponding to ...
Added: June 5, 2023
Судакова М. С., Владов М. Л., ГЕОС, 2017.
Данное пособие отражает курс лекций, читаемых авторами для студентов последних курсов на геологическим факультете МГУ имени М.В. Ломоносова по курсу Георадиолокация. В пособии освещаются краткая история появления и развития метода георадиолокации, его соотношение с другими, более традиционными геофизическими методами, его достоинства и недостатки. Изложена теория метода георадиолокация, физические основы распространения высокочастотных злектромагнитных волн в средах ...
Added: October 30, 2022
Ruderman M. S., Petrukhin N., Solar Physics 2022 Vol. 297 No. 6 Article 72
In this article we study the effect of a transitional layer in a magnetic tube on the real part
of the frequencies of kink oscillations. In our analysis, we use the model of a straight magnetic tube with the density and cross-section radius varying along the loop, and the thin-tube
thin-boundary (TTTB) approximation. First, we calculate the ...
Added: July 11, 2022
Ruderman M. S., Petrukhin N., Pelinovsky E., Solar Physics 2021 Vol. 296 Article 124
In this article we study the plasma motion in the transitional layer of a coronal loop randomly
driven at one of its footpoints in the thin-tube and thin-boundary-layer (TTTB) approximation. We introduce the average of the square of a random function with respect to time. This
average can be considered as the square of the oscillation amplitude ...
Added: August 18, 2021
Ruderman M., Petrukhin N., Solar Physics 2021 Vol. 296 Article 106
We study kink oscillations of a straight magnetic tube in the presence of siphon flows. The
tube consists of a core and a transitional or boundary layer. The flow velocity is parallel to
the tube axis, has constant magnitude, and confined in the tube core. The plasma density
is constant in the tube core and it monotonically decreases ...
Added: July 1, 2021
Ivanov S., Kamchatnov Anatoly M., Physics of Fluids 2020 Vol. 32 Article 126115
The nonlinear dynamics of pulses in a two-temperature collisionless plasma with the formation of dispersion shock waves is studied. An analytical description is given for an arbitrary form of an initial disturbance with a smooth enough density profile on a uniform density background. For large time after the wave breaking moment, dispersive shock waves are ...
Added: February 4, 2021
Petrukhin N., Ruderman M. S., Monthly Notices of the Royal Astronomical Society 2021 Vol. 501 P. 3017–3029
We study kink oscillations of a straight magnetic tube with a transitional region at its boundary. The tube is homogeneous in the axial direction. The plasma density monotonically decreases in the transitional region from its value inside the tube to that in the surrounding plasma. The plasma motion is described by the linear magnetohydrodynamic equations ...
Added: January 23, 2021
Petrukhin N., Pelinovsky E., Didenkulova E., Известия высших учебных заведений. Радиофизика 2020 Т. LXIII № 1 С. 32–43
The existence of traveling waves in a strongly inhomogeneous magnetized plasma is studied. It is shown that under certain conditions for characteristics of the medium, the waves do not reflect from inhomogeneities, although their amplitude and phase vary in space. Such reflectionless waves are found mathematically as solutions of wave equations with constant coefficients, to ...
Added: November 9, 2020
Bespalov P. A., Olga N. Savina, Monthly Notices of the Royal Astronomical Society 2020 Vol. 498 P. 2864–2870
A model for the source of microwave main giant pulses (GPs) from the Crab pulsar is proposed and partly investigated. Pulse excitation takes place in a relativistic pair plasma with a strong magnetic field through the beam pulse amplifier (BPA) mechanism, in which short noise pulses of a certain type are amplified by energetic electrons ...
Added: August 18, 2020