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{{Short description|Plasma criteria}} ...criterion''' is a criterion for plasma used in the theoretical study of [[plasma instability]]. It was first proposed in 1954 by C. Mercier, who applied the ...

{{Short description|Plasma instability in laboratory plasma}}{{Multiple issues|{{Multiple issues| ...a (physics)|plasma]] where ions form sheaths near an electrode, making the plasma unstable. It is a type of [[Rayleigh–Taylor instability]].<ref>{{Cite web|u ...

{{Short description|Current-driven plasma instability}} ...eristics of the plasma. It typically develops in a thin [[Plasma (physics)|plasma]] column carrying a strong axial current which exceeds the [[Kruskal-Shafra ...

...metric]] devices, and therefore one can completely define the shape of the plasma by its [[Cross section (geometry)|cross-section]]. ...he inside, this caused several effects that disrupted the stability of the plasma. ...

...e excitation that is driven by a [[pressure gradient]] within a magnetised plasma, which can be destabilised by differences between ion and electron motion ( ...95 | isbn=0-7503-0325-5 | location=Bristol, UK|chapter=21. Drift waves and instabilities|oclc=33079555}}</ref> Drift wave turbulence is responsible for the transpor ...

...sion power]] reactor, the magnetic fields confining the [[plasma (physics)|plasma]] are formed in a helical shape, winding around the interior of the reactor ...e number of times as toroidally are inherently less susceptible to certain instabilities. The term is most commonly used when referring to [[tokamak]] devices. Alth ...

In [[plasma physics]], '''magnetic buoyancy''' is an upward force exerted on [[magnetic ...sma within the flux tube is the same as the temperature of the surrounding plasma, the density of the flux tube must be lower than the density of the surroun ...

{{short description|Microscopic plasma instability}} ...]]<ref>{{Cite journal |doi = 10.1103/PhysRevLett.10.279|title = Two-Stream Plasma Instability as a Source of Irregularities in the Ionosphere | journal = Phy ...

...stabilities: from solar flares to edge localized modes in tokamaks|journal=Plasma Physics and Controlled Fusion|language=en|volume=45|issue=12A|pages=A31|doi ...-08-08|title=Explosive instability and erupting flux tubes in a magnetized plasma|journal= Proceedings of the Royal Society A: Mathematical, Physical and Eng ...

...calized mode (ELM)]] which effectively limits the pressure gradient at the plasma edge and the fishbone instability which effectively limits the density and ...d enters the nonlinear phase of evolution. In the nonlinear evolution, the plasma core inside the <math>q=1</math> surface is driven into a [[Magnetic reconn ...

...h as edge turbulence, E×B shear, edge electric field, and edge current and plasma flow. Researchers studying this field use tools such as [[Electron cyclotro ...rms and concepts needed to comprehend L-H Transition include understanding plasma and fusion. ...

[[File:TCABR_lab.jpg|thumb|420x420px|Photograph of TCABR in USP's Plasma Physics Laboratory.]] ...015" /> The main focus of TCA was to assess and enhance [[Plasma (physics)|plasma]] heating with [[Alfvén wave]]s. In 1994, the machine was transferred to US ...

...ing instability in galaxies|the firehose instability in magnetized plasmas|Plasma stability}} ...se instability derives its name from a similar instability in magnetized [[Plasma (physics)|plasmas]].<ref name="Parker58">{{citation ...

...0750303255|location=Bristol, UK|chapter=19 - The Rayleigh-Taylor and flute instabilities|oclc=33079555}}</ref> ...n energy]], where magnetic fields are used to confine a [[plasma (physics)|plasma]] in a volume surrounded by the field. ...

...H. E. | last3=Greaves | first3=R. G. | last4=Surko | first4=C. M. | title=Plasma and trap-based techniques for science with positrons | journal=Reviews of M ...0307 | pages=289–293}}</ref> and [[plasma wave]]s and [[Plasma instability|instabilities]].<ref>{{cite journal | last1=Anderegg | first1=F. | last2=Driscoll | first ...

...] [[Plasma (physics)#Thermal vs. nonthermal (cold) plasmas|non-thermal]] [[Plasma (physics)|plasmas]] used in [[MHD converter]]s. It was first theoretically | title = Plasma turbulence due to the ionization instability in a strong magnetic field ...

...ties also result from non-linear resonances between different waves in the plasma (non-linear build-up with the “echoes” of the waves) and must be “mathemati ...

...ms to find out if a given flow is stable or unstable, and if so, how these instabilities will cause the development of [[turbulence]].<ref name=p1>See Drazin (2002) ...> and <math>\text{u}</math> are high values.<ref name=p2/> This means that instabilities will arise almost immediately and the flow will become unstable or turbulen ...

...e MAST reactor. Note the almost spherical shape of the outside edge of the plasma. The high elongation is also evident, notably the filaments extending off t ...l tokamak reduces the size of the hole as much as possible, resulting in a plasma shape that is almost spherical, often compared to a cored apple. The spheri ...

..., he is the author of many publications on turbulent flames and combustion instabilities. He was the head of the Flame Research Section, Explosives and Physical Sci ...=2000 | last1=Karlovitz | first1=Bela | title=The Electromagnetic Field in Plasma Systems | journal=Journal of Fusion Energy | volume=19 | issue=3/4 | pages= ...