Observation of the lower hybrid waves near the three-dimensional null pair

2009 ◽  
Vol 52 (4) ◽  
pp. 626-630 ◽  
Author(s):  
Meng Zhou ◽  
XiaoHua Deng ◽  
Song Fu ◽  
RongXin Tang ◽  
YunHui Hu ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Lower Hybrid ◽  
Hybrid Waves ◽  
Null Pair ◽  
Lower Hybrid Waves

Nonlinear propagation of lower-hybrid waves in an inhomogeneous plasma

1978 ◽  
Vol 20 (2) ◽  
pp. 189-203 ◽  
Author(s):  
M. Y. Yu ◽  
P. K. Shukla ◽  
K. H. Spatschek
Keyword(s):  
Nonlinear Evolution ◽  
Inhomogeneous Plasma ◽  
Three Dimensional ◽  
Low Frequency ◽  
Nonlinear Propagation ◽  
Lower Hybrid ◽  
Density Perturbations ◽  
Hybrid Waves ◽  
Lower Hybrid Waves ◽  
Pump Depletion

We investigate the problem of spatial depletion of propagating lower-hybrid waves in an inhomogeneous plasma. In particular, we consider the nonlinear evolution of a lower-hybrid pump which is coupled to a daughter lower-hybrid decay wave excited by low-frequency density perturbations. Our results show that pump depletion occurs when three-dimensional effects are included. This phenomenon competes with the filamentation of the pump caused by self- interaction. Implications to lower-hybrid heating experiments are discussed.

Three-dimensional numerical simulation of ion and electron accelerations by parametric decay of fast lower hybrid waves

1996 ◽  
Vol 23 (24) ◽  
pp. 3663-3666 ◽  
Author(s):  
Nagendra Singh ◽  
S. Al-Sharaeh ◽  
A. Abdelrazek ◽  
W. C. Leung ◽  
B. Earl Wells
Keyword(s):  
Numerical Simulation ◽  
Three Dimensional ◽  
Lower Hybrid ◽  
Parametric Decay ◽  
Hybrid Waves ◽  
Lower Hybrid Waves

Production of plasma vortices by lower-hybrid waves

1981 ◽  
Vol 26 (2) ◽  
pp. 359-367 ◽  
Author(s):  
M. Y. Yu ◽  
P. K. Shukla ◽  
H. U. Rahman
Keyword(s):  
Plasma Heating ◽  
Finite Amplitude ◽  
Current Drive ◽  
Lower Hybrid ◽  
Magnetic Fluctuations ◽  
Field Diffusion ◽  
Modulational Instabilities ◽  
Hybrid Waves ◽  
Plasma Vortices ◽  
Lower Hybrid Waves

Nonlinear excitation of electrostatic and magnetostatic zero-frequency modes by finite-amplitude lower-hybrid waves is considered. It is found that modulational instabilities can give rise to enhanced plasma vortices. Dispersion relations, as well as analytical expressions for the growth rates, are obtained. The enhanced vortices may cause anomalous cross-field diffusion which can affect plasma confinement in tokamak devices when lower-hybrid waves are used for plasma heating or current drive. We found that magnetic fluctuations associated with the parametrically driven magnetostatic mode are of particular importance in tokamak plasmas.

scholarly journals Lower hybrid waves at the magnetosheath separatrix region

2020 ◽  
Author(s):  
Binbin Tang ◽  
Wenya Li ◽  
Daniel Bruce Graham ◽  
Chi Wang ◽  
Yuri V. Khotyaintsev ◽  
...  
Keyword(s):  
Lower Hybrid ◽  
Hybrid Waves ◽  
Lower Hybrid Waves
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