Nonlinear coupling of upper-hybrid waves with lower-hybrid waves in a degenerate dense plasma
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DOI: 10.1007/s12648-020-01907-z
Abstract: The nonlinear coupling of high-frequency upper-hybrid (UH) pump waves with low-frequency lower-hybrid (LH) waves is studied in a degenerate magnetoplasma, comprising of quantum electrons and classical ions. For this purpose, the framework of quantum hydrodynamic… read more here.
Keywords: waves lower; lower hybrid; upper hybrid; coupling upper ... See more keywords
High‐Frequency Wave Generation in Magnetotail Reconnection: Nonlinear Harmonics of Upper Hybrid Waves
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Research Letters"
DOI: 10.1029/2019gl083361
Abstract: MMS3 spacecraft passed the vicinity of the electron diffusion region of magnetotail reconnection on 3 July 2017, observing discrepancies between perpendicular electron bulk velocities and E→×B→ drift, and agyrotropic electron crescent distributions. Analyzing linear wave… read more here.
Keywords: high frequency; magnetotail reconnection; harmonics upper; frequency ... See more keywords
Relativistic analysis of upper hybrid wave propagation and trapping
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Plasmas"
DOI: 10.1063/5.0138249
Abstract: We investigate the impact of relativistic effects on upper hybrid (UH) waves in plasmas with thermal electrons, particularly focusing on modifications of the conditions under which UH wave trapping and related low-threshold parametric decay instabilities… read more here.
Keywords: theory; upper hybrid; asdex upgrade; electron ... See more keywords
Upper-hybrid oscillations of high current relativistic electron beam under conditions of magnetic self-insulation
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DOI: 10.1063/5.0206628
Abstract: Upper-hybrid oscillations have appeared in a number of theoretical and experimental investigations of quasi-static neutral plasmas immersed in an external strong magnetic field. We theoretically demonstrate the existence of upper-hybrid oscillations (UHOs) on high current… read more here.
Keywords: hybrid oscillations; beam; relativistic electron; current relativistic ... See more keywords
Sheet model description of spatiotemporal evolution of upper-hybrid oscillations in an inhomogeneous magnetic field
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DOI: 10.1063/5.0220066
Abstract: Spatiotemporal evolution of large amplitude upper-hybrid oscillations in a cold homogeneous plasma in the presence of an inhomogeneous magnetic field is studied analytically and numerically using the Dawson sheet model [J. Dawson, Phys. Fluids 5,… read more here.
Keywords: field; hybrid oscillations; inhomogeneous magnetic; sheet model ... See more keywords
Nonlinear Upper Hybrid Waves Generated in Ionospheric HF Heating Experiments at HAARP
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2019.2950752
Abstract: Excitation of nonlinear upper hybrid waves by O-mode HF heater in the ionospheric heating experiments was explored via HAARP digisonde operated in a fast mode. The observations are manifested by a bump in the virtual… read more here.
Keywords: upper hybrid; hybrid waves; ionospheric heating; nonlinear upper ... See more keywords