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The shear flow influences the stability of magnetohydrodynamic (MHD) waves. In the presence of a dissipation mechanism, flow shear may induce a MHD wave instability below the threshold of the Kelvin-Helmholtz instability (KHI), which is…

Solar and Stellar Astrophysics · Physics 2023-09-12 D. J. Yu

The topological properties of a magnetized cold gaseous plasma have recently been explored and the existence of topologically protected edge states has been established. These studies are limited to a magnetized plasma, where ions are…

Plasma Physics · Physics 2025-02-10 Roopendra Singh Rajawat , Tianhong Wang , Gennady Shvets

Kink-like flapping motions of current sheets are commonly observed in the magnetotail. Such oscillations have periods of a few minutes down to a few seconds and they propagate toward the flanks of the plasma sheet. Here, we report a…

The present paper reviews recent advances in the theory of nonlinear driven magnetohydrodynamic (MHD) waves in slow and Alfven resonant layers. Simple estimations show that in the vicinity of resonant positions the amplitude of variables…

Solar and Stellar Astrophysics · Physics 2015-05-20 Istvan Ballai , Michael Ruderman

The Jovian magnetosphere is complicated by the multiple plasma sources and ion species present within it, as well as fast rotation with its dipole axis titled from its rotational axis. To date global models of Jovian have neglected the…

Earth and Planetary Astrophysics · Physics 2016-07-11 Robert M. Winglee , Erika M. Harnett

The k-filtering technique and wave polarization analysis are applied to Cluster magnetic field data to study plasma turbulence at the scale of the ion gyroradius in the fast solar wind. Waves are found propagating in directions nearly…

Solar and Stellar Astrophysics · Physics 2015-06-15 Owen W. Roberts , Xing Li , Bo Li

Microcavity plasma arrays of inverse pyramidal cavities have been fabricated in p-Si wafers. Each cavity acts as a microscopic dielectric barrier discharge. Operated at atmospheric pressure in argon and excited with high voltage at about 10…

In plasmas with electron drift (current) relative to static ions, the ion acoustic wave is subject to the kinetic instability which takes place if the directed electron speed exceeds the ion acoustic speed. The instability threshold becomes…

Plasma Physics · Physics 2009-07-21 J. Vranjes , S. Poedts , Z. Ehsan

Spectral properties of a fully compressible solar wind Hall Magnetohydrodynamic plasma are investigated by means of time dependent three dimensional Hall MHD simulations. Our simulations, in agreement with spacecraft data, identify a…

Space Physics · Physics 2015-05-14 Dastgeer Shaikh , G. P. Zank

A new version of the invariant imbedding theory for the propagation of coupled waves in inhomogeneous media is applied to the mode conversion of high frequency electromagnetic waves into electrostatic modes in cold, magnetized and…

Plasma Physics · Physics 2009-11-11 Kihong Kim , Dong-Hun Lee

Electron skew scattering by impurities is one of the major mechanisms behind the anomalous Hall effect in ferromagnetic nanostructures. It is particularly strong at the surface of topological insulators where electron dynamics is governed…

Mesoscale and Nanoscale Physics · Physics 2024-08-30 Cooper Finnigan , Dmitry K. Efimkin

We consider a series of MHD simulations in which a small amplitude, transverse velocity perturbation is introduced into a complex magnetic field. We analysed the deformation of the wave fronts as the perturbation propagates through the…

Solar and Stellar Astrophysics · Physics 2019-09-11 Thomas Howson , Ineke De Moortel , Jack Reid , Alan Hood

The dispersion and damping of ion-acoustic waves in the plasma with a regularized kappa-distribution are studied. The generalized dispersion relation and damping rate are derived, which both depend significantly on the parameters alpha and…

Plasma Physics · Physics 2023-09-29 Rui Huo , Jiulin Du

In order to find an approximate solution to the Vlasov-Maxwell equation system describing the lower hybrid wave propagation in magnetic confined plasmas, the use of the WKB method leads to the ray tracing equations. The Hamiltonian…

Plasma Physics · Physics 2014-03-05 Andrea Casolari , Alessandro Cardinali

Magnetosonic waves propagating perpendicular to an external magnetic field are studied with attention to the effect of multiple ion species. First, power spectra of magnetic field fluctuations and autocorrelation functions in thermal…

Plasma Physics · Physics 2007-05-23 Mieko Toida , Takashi Yoshiya , Yukiharu Ohsawa

We investigate how time dependent modulations of drift wave amplitudes affect particle transport and chaos in a magnetized plasma. Using the Horton model, we apply a sawtooth ramp to a primary wave's amplitude and periodic rectangular kicks…

Chaotic Dynamics · Physics 2025-09-18 P. Haerter , R. L. Viana

Determining the mechanism responsible for the plasma heating and particle acceleration is a fundamental problem in the study of the heliosphere. Due to efficient wave-particle interactions of ion-scale waves with charged particles, these…

Solar and Stellar Astrophysics · Physics 2023-07-12 Wen Liu , Jinsong Zhao , Tieyan Wang , Xiangcheng Dong , Justin C. Kasper , Stuart D. Bale , Chen Shi , Dejin Wu

In this paper, we study kink and sausage oscillations in the presence of longitudinal background flow. We study resonant absorption of the kink and sausage modes in the slow continuum under magnetic pore conditions in the presence of flow.…

Plasma Physics · Physics 2021-03-23 Mohammad Sadeghi , Karam Bahari , Kayoomars Karami

We investigate properties of solar wind-like plasma turbulence using direct numerical simulations. We analyze the transition from large, magnetohydrodynamic (MHD) scales to the ion characteristic ones using two-dimensional hybrid (fluid…

Solar and Stellar Astrophysics · Physics 2022-05-18 Petr Hellinger , Victor Montagud-Camps , Luca Franci , Lorenzo Matteini , Emanuele Papini , Andrea Verdini , Simone Landi

Magnetohydrodynamic (MHD) waves are ubiquitously observed in the solar atmosphere. Kink waves are a type of transverse MHD waves in magnetic flux tubes that are damped due to resonant absorption. The theoretical study of kink MHD waves in…

Solar and Stellar Astrophysics · Physics 2015-06-17 Roberto Soler , Marcel Goossens , Jaume Terradas , Ramon Oliver