Effects of Electron Temperature Fluctuation on Turbulence Measurement by Langmuir Probe in a Magnetized Helicon Plasma

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Abstract

Effects of electron temperature fluctuation on measurement of other fluctuations by using of Langmuir probe is investigated in PANTA plasma with finite temperature gradient, where significant electron temperature fluctuations are observed. The temperature fluctuation and its effects are evaluated from spatiotemporal structures of ion saturation current and floating potential, derived by conditional sampling/averaging technique. It is found that electron density fluctuation is in phase with ion saturation current fluctuation, but plasma potential fluctuation is anti-phase with the floating potential fluctuation.

Original languageEnglish
Pages (from-to)1202081-1-1202081-3
JournalPlasma and Fusion Research
Volume16
DOIs
Publication statusPublished - 2021

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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