waves and instabilities
Sodium lidar measurements of waves and instabilities near the mesopause during the DELTA rocket campaign
... of instabilities, and their relationship with atmospheric gravity waves are not fully understood yet and continue to be an active area of research (Li et ...
7
On MHD waves, fire-hose and mirror instabilities in anisotropic plasmas
... MHD waves, fire-hose and mirror instabilities in gyrotropic plasmas are examined sys- tematically within the framework of generalized CGL-MHD ...MHD waves and instabilities is an extension of ...
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Anisotropic surface waves and instabilities under a vertical electromagnetic force
... This, thesis describes theoretical and experimental research into the anisotropic waves and instabilities which can be produced at the surface of a conducting fluid, or at the interface [r] ...
311
Low-frequency linear waves and instabilities in uniform and stratified plasmas: the role of kinetic effects
... Abstract. We review the basic approximations underlying magnetohydrodynamic (MHD) theory, with special empha- sis on the closure approximations, i.e. the approximations used in any fluid approach to close the hierarchy ...
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On Kelvin–Helmholtz and parametric instabilities driven by coronal waves
... kink waves in flux tubes, and to drive dissipation of this wave energy through ...different instabilities: a Kelvin–Helmholtz instability and a parametric instability involving resonance between the ...
12
Strongly nonlinear internal waves in near two-layer stratifications : generation, propagation and self-induced shear instabilities
... internal waves and their ...amplitude waves, the strongly nonlinear asymptotic model developed in Miyata [39, 40], Choi & Camassa [6, 7] is in overall good agreement with the full Euler equations as ...
291
Remarks on nonlinear relation among phases and frequencies in modulational instabilities of parallel propagating Alfv´en waves
... parametric instabilities in the Hall- MHD system and in the DNLS ...solitary waves and nonlinear wave-wave interaction in detail, by examining numerically produced Alfv´enic turbulence using the DNLS ...
17
Numerical simulation of shear induced instabilities in internal solitary waves
... A numerical method that employs a combination of contour advection and pseudo- spectral techniques is used to simulate shear-induced instabilities in an internal solitary wave. A three-layer configuration for the ...
41
Parametric instabilities of circularly polarized small-amplitude Alfvén waves in Hall plasmas
... pump waves in three dimensions ...parametric instabilities of pump waves in multi-component and dusty ...the instabilities of pump waves in a relativistic electron–positron ...
21
Absolute and convective instabilities of parallel propagating circularly polarized Alfvén waves: numerical results
... convective instabilities was first developed in plasma physics (Briggs 1964; Bers ...convective instabilities of circularly po- larized Alfvén waves analytically using the dimensionless pump wave ...
7
Absolute and convective instabilities of parallel propagating circularly polarized Alfven waves: Beat instability
... Alfvén waves both in homogeneous 6 and stratified 7 plasmas using a one- dimensional numerical code, and applied their results to the acceleration of the solar ...parametric instabilities of Alfvén ...
10
Negative energy waves and quantum relativistic Buneman instabilities
... beam-driven instabilities in relativistic quantum ...Buneman instabilities were shown to be associated to certain beam-plasma negative energy ...energy waves found here have a more broad ...
8
Low frequency electromagnetic waves and instabilities within the Martian bi ion plasma
... electromagnetic waves (LFEW) in the proton gyrofrequency range are ...these waves results from the relative motion between the solar wind protons and planetary heavy ions, which are considered as ...
10
Plasma drift waves and instabilities
... This distribution describes a homogeneous, isotropic plasma species in thermal equilibrium. Using the Maxwellian as his f^ , Landau found that Yj < 0, and so E(k,t) decays as t tends to infinity, since a negative ...
139
Spatial period-multiplying instabilities of hexagonal Faraday waves
... surface waves { or Faraday waves { concerns the spontaneous generation of standing waves at the free surface of a horizontal layer of uid when subjected to vertical oscillations whose amplitude ...
30
Experimental, Numerical and Analytical Studies of the MHD-Driven Plasma Jet, Instabilities and Waves
... a magnetocentrifugal mechanism accelerates plasma along poloidal field lines threading the accretion disk; the plasma is then collimated by a toroidal dominant magnetic field at larger distance. Lynden-Bell (1996,2003) ...
228
Observational signatures of transverse magnetohydrodynamic waves and associated dynamic instabilities in coronal flux tubes
... Quantifying the amount of wave power in the solar atmosphere is essential for determining the role of waves in coronal heating. Based on the above, the ideal instruments to detect most of the wave power in ...
24
Absolute and convective instabilities of parallel propagating circularly polarized Alfven waves: Decay instability
... amplifying waves exist only when the signaling frequency is in two narrow symmetric frequency bands with the widths of the order of ...Alfvén waves propagating in the solar wind are convectively unstable in ...
11
Absolute versus convective helical magnetorotational instabilities in Taylor-Couette flows
... the waves will necessarily also travel in opposite directions, because it is the relative sign of the axial and azimuthal components that determines the up/down symmetry breaking (Knobloch ...any waves that ...
13
Absolute versus convective helical magnetorotational instabilities in Taylor-Couette flows
... linear eigenvalue formulation, solving for the frequency ω (the imaginary part of the eigenvalue) as a function of wavenumber k, and then plotting ω/k and dω/dk. Both quantities vary considerably with k, but in the range ...
12