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Plasma oscillations, also known as Langmuir waves (after Irving Langmuir), are rapid oscillations of the electron density in conducting media such as plasmas or metals in the ultraviolet region. The oscillations can be described as an instability in the dielectric function of a free electron gas. The frequency depends only weakly on the ...
Waves in plasmas can be classified as electromagnetic or electrostatic according to whether or not there is an oscillating magnetic field. Applying Faraday's law of induction to plane waves , we find k × E ~ = ω B ~ {\displaystyle \mathbf {k} \times {\tilde {\mathbf {E} }}=\omega {\tilde {\mathbf {B} }}} , implying that an electrostatic wave ...
In mathematics, the Zakharov system is a system of non-linear partial differential equations, introduced by Vladimir Zakharov in 1972 to describe the propagation of Langmuir waves in an ionized plasma. The system consists of a complex field u and a real field n satisfying the equations
Some plasma donation centers are known for paying top dollar for a plasma donation. The average payment for a single donation is between $30 and $60 per session, although there are centers that ...
Sailboats (or surfers) catching an ocean wave are sped up and slowed down to match the wave speed. It is possible to imagine Langmuir waves as waves in the sea, and the particles as surfers trying to catch the wave, all moving in the same direction. If the surfer is moving on the water surface at a velocity slightly less than the waves they ...
CSL Plasma is a subsidiary of its sister company CSL Behring, itself a subsidiary of CSL Limited, a biotechnology company based in Melbourne, Australia. [2] [ P 2] It is headquartered in Boca Raton, Florida, [1] and operates a total of 320 collection centers in the United States, [P 3] and a further 19 more in other nations including China, Hungary, and Germany as of 2023.
The Langmuir wave is a purely longitudinal wave, that is, the wave vector is in the same direction as the E-field. It is an electrostatic wave; as such, it doesn't have an oscillating magnetic field. A plasma consists of charged particles which react to electric fields, in contrast with dielectric matter.
The outer boundary of the plasmasphere is known as the plasmapause, which is defined by an order of magnitude drop in plasma density. In 1963 American scientist Don Carpenter and Soviet astronomer Konstantin Gringauz proved the plasmasphere and plasmapause's existence from the analysis of very low frequency (VLF) whistler wave data.
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