Low-frequency electrostatic waves in a magnetized, current-free, heavy negative ion plasma
2013 ◽
Vol 79
(6)
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pp. 1107-1111
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AbstractWe report experimental observations of a low-frequency (≪ ion gyrofrequency) electrostatic wave mode in a magnetized cylindrical (Q machine) plasma containing positive ions, very few electrons and a relatively large fraction (n−/ne > 103) of heavy negative ions (m−/m+ ≈ 10), and no magnetic field-aligned current. The waves propagate nearly perpendicular to B with a multiharmonic spectrum. The maximum wave amplitude coincided spatially with the region of largest density gradient suggesting that the waves were excited by a drift instability in a nearly electron-free positive ion–negative ion plasma
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2013 ◽
Vol 79
(6)
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pp. 1113-1116
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1997 ◽
Vol 58
(3)
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pp. 455-466
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2013 ◽
Vol 79
(5)
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pp. 949-952
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2007 ◽
Vol 25
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pp. 397-406
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1997 ◽
Vol 57
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pp. 47-57
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1936 ◽
Vol 32
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pp. 482-485
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2020 ◽
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(1)
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pp. 61-67
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2000 ◽
Vol 64
(2)
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pp. 131-153
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1939 ◽
Vol 170
(942)
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pp. 322-340
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