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Relevant bibliographies by topics / Alfven waves-Magnetized plasmas

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Academic literature on the topic 'Alfven waves-Magnetized plasmas'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Alfven waves-Magnetized plasmas"

1

Sallago, P. A. "STABILITY OF ALFVEN WINGS IN HMHD." Anales AFA 32, no. 1 (2021): 1–6. http://dx.doi.org/10.31527/analesafa.2021.32.1.1.

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A conducting source moving uniformly through a magnetized plasma generates, among a variety of perturbations,Alfvén waves. Alfvén waves can build up structures in the plasma called Alfvén wings. The wings have been detec-ted and measured in many solar system bodies, and their existence have been theoretically proved also. Under certainconditions, Hall and electronic pressure must be taken into account in the Ohm’s law and so one gets Hall Magne-tohydrodynamics (HMHD). In spite of Sallago and Platzeck have shown the existence of Alfvén wings in HMHD, theirstability under such conditions remains

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Tishchenko, Vladimir, Artem Berezutsky, Leila Dmitrieva, Ilya Miroshnichenko, and Ildar Shaikhislamov. "Generation of Alfvén waves in magnetized plasma by laser plasma bunches at Mach numbers much less than unity." Solar-Terrestrial Physics 8, no. 2 (2022): 91–97. http://dx.doi.org/10.12737/stp-82202214.

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In this paper, we examine a torsional Alfvén wave produced by periodic plasma bunches in a magnetized plasma flux tube. A new effect has been revealed: the wave is generated not only during the action of bunches, but also for a long time after the termination, which makes it possible to increase the wavelength by several times. We have determined the conditions under which the wave contains η~40 % of the total bunch energy. The wave radius depends on the energy of one bunch; and the length, on their number. The optimum number of bunches is 15. Simultaneously with the Alfvén wave, a bunch plasm

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Cramer, N. F. "Alfvén resonance absorption in electron-positron plasmas." Proceedings of the International Astronomical Union 6, S274 (2010): 224–27. http://dx.doi.org/10.1017/s1743921311006983.

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AbstractWaves propagating obliquely in a magnetized cold pair plasma experience an approximate resonance in the wavevector component perpendicular to the magnetic field, which is the analogue of the Alfvén resonance in normal electron-ion plasmas. Wave absorption at the resonance can take place via mode conversion to the analogue of the short wavelength inertial Alfvén wave. The Alfvén resonance could play a role in wave propagation in the pulsar magnetosphere leading to pulsar radio emission. Ducting of waves in strong plasma gradients may occur in the pulsar magnetosphere, which leads to the

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Wang, L. P., Z. B. Guo, Z. J. Mao, and Y. Zhang. "Phase finite time singularity: On the dissolution of a surface MHD eigenmode to the Alfvén continuum." Physics of Plasmas 30, no. 3 (2023): 032105. http://dx.doi.org/10.1063/5.0132609.

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Phase mixing is a general mechanism of collisionless damping in magnetized plasmas. In a MHD model, the carrier of phase mixing is the Alfvén wave continuum, which is driven by the plasma inhomogeneity. In this work, we study the non-resonant conversion of a surface MHD eigenmode to the Alfvén continuum. It is shown that the finite-time-singularity of the phase of the surface mode can smear its periodic oscillation and induces the excitation of the local Alfvén waves. This type of mode conversion would enhance the collisionless dissipation of the surface eigenmode, i.e., accelerating its disso

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SALLAGO, P. A., and A. M. PLATZECK. "Stability of Alfvén wings in uniform plasmas." Journal of Plasma Physics 73, no. 6 (2007): 957–66. http://dx.doi.org/10.1017/s0022377807006460.

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AbstractA conducting source moving uniformly through a magnetized plasma generates, among a variety of perturbations, Alfvén waves. An interesting characteristic of Alfvén waves is that they can build up structures in the plasma called Alfvén wings. These wings have been detected and measured in many solar system bodies, and their existence has also been theoretically proven. However, their stability remains to be studied. The aim of this paper is to analyze the stability of an Alfvén wing developed in a uniform background field, in the presence of an incompressible perturbation that has the s

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Muñoz, V., F. A. Asenjo, M. Domínguez, et al. "Large-amplitude electromagnetic waves in magnetized relativistic plasmas with temperature." Nonlinear Processes in Geophysics 21, no. 1 (2014): 217–36. http://dx.doi.org/10.5194/npg-21-217-2014.

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Abstract. Propagation of large-amplitude waves in plasmas is subject to several sources of nonlinearity due to relativistic effects, either when particle quiver velocities in the wave field are large, or when thermal velocities are large due to relativistic temperatures. Wave propagation in these conditions has been studied for decades, due to its interest in several contexts such as pulsar emission models, laser-plasma interaction, and extragalactic jets. For large-amplitude circularly polarized waves propagating along a constant magnetic field, an exact solution of the fluid equations can be

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7

Brodin, G., and L. Stenflo. "Three-wave coupling coefficients for magnetized plasmas with pressure anisotropy." Journal of Plasma Physics 41, no. 1 (1989): 199–208. http://dx.doi.org/10.1017/s0022377800013763.

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In order to find the equations for the nonlinear energy exchange between low-frequency waves in magnetized plasmas in the presence of pressure anisotropy, we start from the Chew–Goldberger–Low equations, the isothermal MHD equations, as well as a new hybrid system of equations. The coupling coefficients describing the interaction between two Alfvén waves and one magnetosonic wave as well as the interaction between two magnetosonic waves and one Alfvén wave are deduced.

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MELROSE, D. B., M. E. GEDALIN, M. P. KENNETT, and C. S. FLETCHER. "Dispersion in an intrinsically relativistic, one-dimensional, strongly magnetized pair plasma." Journal of Plasma Physics 62, no. 2 (1999): 233–48. http://dx.doi.org/10.1017/s0022377899007795.

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The properties of a relativistic plasma dispersion function (RPDF) for an intrinsically extremely relativist, strongly magnetized, one-dimensional, electron–positron plasma are discussed in detail. For a plasma with a mean Lorentz factor 〈γ〉 [Gt ] 1 in its rest frame, the RPDF has a large peak >〈γ〉 at a phase speed a fraction of order 1/〈γ〉 below the speed of light, and the asymptotic value (infinite phase speed) is 〈γ−3〉 ∼ 1/〈γ〉. These features are not particularly sensitive to the choice of distribution function. The RPDF is used to discuss the properties of waves in such plasmas. Particu

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9

Berezutsky, A. G., V. N. Tishchenko, A. A. Chibranov, I. B. Miroshnichenko, Yu P. Zakharov, and I. F. Shaikhislamov. "Controlling the type and intensity of low-frequency waves generated by laser plasma clots in a force tube of magnetized plasma." Journal of Physics: Conference Series 2067, no. 1 (2021): 012019. http://dx.doi.org/10.1088/1742-6596/2067/1/012019.

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Abstract In this work, we study the influence of the parameters of a magnetized background plasma on the intensity of whistler waves generated by periodic laser plasma bunches in a magnetic field tube. It is shown that at 0.3 < Lpi > 0.4 Alfvén waves and whistlers are generated. In the region Lpi> 0.5, intense whistlers with an amplitude of δBmax / B0 ∼ 0.24 are generated.

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10

Cramer, N. F., and S. V. Vladimirov. "Alfvén surface waves in a magnetized dusty plasma." Physics of Plasmas 3, no. 12 (1996): 4740–47. http://dx.doi.org/10.1063/1.872041.

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Dissertations / Theses on the topic "Alfven waves-Magnetized plasmas"

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Goyal, Ravinder. "Linear and nonlinear propagation of kinetic alfven waves in magnetized plasmas." Thesis, IIT Delhi, 2016. http://localhost:8080/xmlui/handle/12345678/7079.

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Lee, Bo Ram Verfasser], Dieter [Akademischer Betreuer] [Hoffmann, and Christoph [Akademischer Betreuer] Niemann. "Study of a laser generated diamagnetic cavity and Alfvén waves in a large magnetized plasma / Bo Ram Lee. Betreuer: Dieter H. H. Hoffmann ; Christoph Niemann." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2015. http://d-nb.info/1112044752/34.

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Lee, Bo Ram [Verfasser], Dieter [Akademischer Betreuer] Hoffmann, and Christoph [Akademischer Betreuer] Niemann. "Study of a laser generated diamagnetic cavity and Alfvén waves in a large magnetized plasma / Bo Ram Lee. Betreuer: Dieter H. H. Hoffmann ; Christoph Niemann." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2015. http://nbn-resolving.de/urn:nbn:de:tuda-tuprints-52112.

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Lee, Bo Ram. "Study of a laser generated diamagnetic cavity and Alfvén waves in a large magnetized plasma." Phd thesis, 2015. https://tuprints.ulb.tu-darmstadt.de/5211/1/Diss_ver111_final.pdf.

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Dense plasma expansion into a tenuous magnetized background plasma is prevalent in space and astrophysical environments. In the interaction between plasmas with different densities under the influence of the magnetic field, various hydromagnetic waves are generated including the magnetized collisionless shocks which are believed to be the source of high energy particles, such as galactic cosmic rays from supernova remnants. Despite its importance in astrophysics and the study for longer than five decades, however, details of the shock physics, such as the formation process or the energy dissip

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