Search Results - "Kryshtal, A. N."

Small-scale Langmuir wave instability in preflare chromosphere of solar active region by Kryshtal, A. N., Gerasimenko, S. V., Voitsekhovska, A. D.

“…Necessary conditions have been investigated for the appearance of instability of high-frequency electron Langmuir waves in plasma of solar chromosphere near…”
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One type of three-wave interaction of low-frequency waves in magnetoactive plasma of the solar atmosphere by Kryshtal, A. N., Gerasimenko, S. V., Voitsekhovska, A. D., Cheremnykh, O. K.

“…We study the process of occurrence of “quasi-mode” decay instability of kinetic Alfven waves (KAW) in the chromosphere of a solar active region before a flare,…”
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On the possibility of the development of longitudinal wave instabilities on the background of the small-scale Bernstein turbulence in preflare chromosphere of a solar active region by Kryshtal, A. N., Voitsekhovska, A. D., Gerasimenko, S. V., Sidorenko, M. V.

“…The process of origination and development of instabilities of the longitudinal waves of two types, namely, low-frequency ion-acoustic and high-frequency…”
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Low-Frequency Kinetic Waves in Plasmas of Magnetic Loops at the Early Stage of a Flare Process in an Active Region by Kryshtal, A. N., Voitsekhovska, A. D., Gerasimenko, S. V.

“…The process of the rise and development of low-frequency instability of kinetic Alfven waves (KAW) and kinetic ion-acoustic waves (KIAW) in preflare solar…”
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Kink mode m = 1 in a thin plasma filament with discontinuous vertical magnetic field by Cheremnykh, O. K., Kryshtal, A. N., Tkachenko, A. A.

“…In this paper, we study the conditions of realization and stability of kink modes with azimuthal wave numbers m = ±1 in a cylindrical plasma filament with a…”
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Effect of small-scale bernstein turbulence on low-frequency plasma waves in the preflare solar chromosphere by Kryshtal, A. N., Voitsekhovska, A. D., Gerasimenko, S. V., Cheremnykh, O. K.

“…The studied region is a part of the current circuit of a magnetic loop in a solar active region in the altitude range of 1400–2500 km above the photosphere. At…”
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“Oblique” Bernstein modes in solar preflare plasma: Generation of second harmonics by Kryshtal, A.N., Gerasimenko, S.V., Voitsekhovska, A.D.

“…Process of second harmonics generation due to development of corresponding instability has been investigated for pure electron weakly oblique Bernstein mode…”
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Decay instability of kinetic Alfvén waves in preflare plasmas of the loops in active solar regions by Kryshtal’, A. N., Sirenko, E. K., Gerasimenko, S. V.

“…We examine the physical conditions for the origin of the decay instability of kinetic Alfvén waves in loop plasmas at the early flare stages. The synchronism…”
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Incompressible MHD modes in the thin magnetically twisted flux tube by Cheremnykh, O. K, Fedun, V, Kryshtal, A. N, Verth, G

“…Context. Observations have shown that twisted magnetic fields naturally occur, and indeed are omnipresent in the Sun's atmosphere. It is therefore of great…”
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Kinetic Alfvén waves in preflare plasma by Kryshtal, A. N., Gerasimenko, S. V.

“…Low‐frequency instabilities of plasma waves in the arch structures in solar active regions have been investigated before a flare. In the framework of mechanism…”
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Kink mode m=1 in magnetic tube with discontinuous magnetic field by Cheremnykh, O.K., Kryshtal, A.N., Tkachenko, A.A.

“…In this paper, we study conditions of realization and stability of kink modes with azimuthal wave numbers m=±1 in cylindrical plasma flex with twisted magnetic…”
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Ion-acoustic instability caused by large-scale electric field in solar active regions by Kryshtal, A. N., Kucherenko, V. P.

“…The ion-acoustic instability caused by large-scale electric fields is considered for plasmas of solar active regions. The dispersion relation has been obtained…”
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On the equilibrium figures of an ideal rotating fluid in the post-newtonian approximation of general relativity: III: Stability of the forms of equilibrium by Pyragas, K. A., Bondarenko, N. P., Kryshtal, A. N.

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