Damping at the lower hybrid resonance in a warm partially ionized plasma

Oakes, M. E.; Schlüter, H.

doi:10.1016/0003-4916(65)90246-0

Cited by 11 publications

(9 citation statements)

References 8 publications

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“…Note that these results differ from those of Ref. [3] m i An e = 3.66xlO 6 ; y e T e = 4 x l 0 6 o K ; 1^ = 125 kHz). 3 The reasons for the difference are as follows.…”

Section: 4 1 Secondary Resonancescontrasting

confidence: 90%

“…Typical behaviour of k| and k|j as compared to kj. = Q and k 2 /(e 0 ^rr 1 ) w itn n o collisions (i» a = 0) in the vicinity of WL H (B O = 800 G; = 10" cnT 3 ; miAn e = 3.66X10 5 ; y e T e =4xl0 6o K). First we consider the behaviour of k 6 a (6 = c, H) as a function of plasma parameters.…”

Section: 8mentioning

confidence: 99%

“…[3] m i An e = 3.66xlO 6 ; y e T e = 4 x l 0 6 o K ; 1^ = 125 kHz). 3 The reasons for the difference are as follows. The TJJ and TJ| defined in Ref.…”

Section: 4 1 Secondary Resonancesmentioning

confidence: 99%

“…Many studies [1][2][3][4][5][6][7][8][9] have been devoted to the feasibility of transferring radio-frequency power to a plasma in order to heat the ions. The frequency domain of interest is characterized by u « u ce (u/2ir: frequency of the wave; u ce /27r: electron cyclotron frequency), and the phenomena around the lower hybrid frequency u LH have been more particularly investigated.…”

Section: Introductionmentioning

confidence: 99%

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Radiofrequency power absorption by a strongly magnetized, hot, bounded ion-electron plasma

Messiaen¹,

Monfort²,

Vandenplas³

1971

Nucl. Fusion

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We give a fluid description of a uniform, bounded, hot ion-electron plasma which includes collision effects and a full electromagnetic treatment. The absorbed r.f. power is calculated in the magneto-ion domain for a plasma column excited by a cylindrical TE wave. Axisymmetric and multipolar azimuthal excitation are considered. A resonance spectrum is obtained which is strongly dependent on the geometry and on the hot character of the plasma. These results are compared with those of an earlier collisionless quasi-static model, and the influence of the various parameters is systematically investigated. The r.f. power absorbed at some well-chosen resonances can be quite considerable when the intervening parameters are optimized.

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“…Note that these results differ from those of Ref. [3] m i An e = 3.66xlO 6 ; y e T e = 4 x l 0 6 o K ; 1^ = 125 kHz). 3 The reasons for the difference are as follows.…”

Section: 4 1 Secondary Resonancescontrasting

confidence: 90%

Section: 8mentioning

confidence: 99%

“…[3] m i An e = 3.66xlO 6 ; y e T e = 4 x l 0 6 o K ; 1^ = 125 kHz). 3 The reasons for the difference are as follows. The TJJ and TJ| defined in Ref.…”

Section: 4 1 Secondary Resonancesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Radiofrequency power absorption by a strongly magnetized, hot, bounded ion-electron plasma

Messiaen¹,

Monfort²,

Vandenplas³

1971

Nucl. Fusion

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show abstract

“…Im Gebiet zwischen den Zyklotronfrequenzen von Ionen und Elektronen findet man bei Einstrahlung von Wellen senkrecht zu einem statischen Magnetfeld eine Absorptionsresonanz bei der unteren Hybridfrequenz [1][2][3][4] beschreiben 8,9 (Fe = Elektronentemperatur, ne = Elektronendichte, B = magnetische Induktion, y = Summe der Teilchenstoßfrequenzen, <x> = Kreisfrequenz der eingekoppelten Radiowellen). Ziel der hier beschriebenen Untersuchungen war es, ein Plasma zu verwenden, für das dieser Parameter möglichst große Werte annimmt.…”

Section: Introductionunclassified

Lineare Welleneinkopplung in ein Plasma erhöhter Elektronen- Temperatur bei der unteren Hybridresonanz / Linear Wave Coupling to a Plasma of Enhanced Electron Temperature at the Lower Hybrid Resonance

Glomski

Heinrich

Schlüter

1976

Zeitschrift Für Naturforschung A

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Radio frequency waves in the range of the lower hybrid resonance are coupled to a plasma of enhanced electron temperature (ÄJ 10® K) and reduced collision frequency 7*10 5 s -1 ). The experiment demonstrates the persistance of resonance behavior even under this conditions. Radial eigenmodes are dominant, but exhibit -as compared to linear theoretical models -additional damping with an effective collision frequency in the order of 3-10 7 s -For the conditions considered this effect is attributable to Landau damping.

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Literaturverzeichnis

Lammers¹,

Schlüter²

1973

Resonante Wechselwirkung Elektromagnetischer Wellen Mit Ionisierter Materie

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Damping at the lower hybrid resonance in a warm partially ionized plasma

Cited by 11 publications

References 8 publications

Radiofrequency power absorption by a strongly magnetized, hot, bounded ion-electron plasma

Radiofrequency power absorption by a strongly magnetized, hot, bounded ion-electron plasma

Lineare Welleneinkopplung in ein Plasma erhöhter Elektronen- Temperatur bei der unteren Hybridresonanz / Linear Wave Coupling to a Plasma of Enhanced Electron Temperature at the Lower Hybrid Resonance

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