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Ion oscillations in a cold positive-ion electron-beam thermal electron plasma

Ion oscillations in a cold positive-ion electron-beam thermal electron plasma

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The effective electron temperature Te′ for ion oscillations in a uniform plasma traversed by an electron beam is Te(1+a)/(1−a/2β) where Te is the plasma-electron temperature, and α and β are the ratios of electron-beam and plasma-electron-number densities and energies, respectively; the speed α′ of ion sound waves is (kTe′/m+)½. The drift speed of ions at the corresponding sheath–plasma boundaries is also approximately a′.

References

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      • L. Tonks , I. Langmuir . A general theory of the plasma of an arc. Phys. Rev. , 876 - 922
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      • Pak, T.S., Emeleus, K.G.: `Noise from hot cathode discharges', Paper communicated to 10th conference on phenomena in ionised gases, September 1971, Oxford.
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      • F.W. Crawford , A.B. Cannara . Structure of the double sheath in a hot-cathode plasma. J. Appl. Phys. , 3135 - 3141
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      • I. Langmuir , L. Tonks . Oscillations in ionized gases. Phys. Rev. , 195 - 210
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