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Title: Effects of Coulomb collisions on lower hybrid drift waves inside a laboratory reconnection current sheet

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/5.0052555· OSTI ID:1856198

We have developed a local, linear theoretical model for lower hybrid drift waves that can be used for plasmas in the weakly collisional regime. Two cases with typical plasma and field parameters for the current sheet of the magnetic reconnection experiment have been studied. For a case with a low electron beta (βe=0.25, high guide field case), the quasi-electrostatic lower hybrid drift wave is unstable, while the electromagnetic lower hybrid drift wave has a positive growth rate for a high-βe case (βe=8.9, low guide field case). For both cases, including the effects of Coulomb collisions reduces the growth rate but collisional impacts on the dispersion and growth rate are limited (≲20%).

Research Organization:
Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
Sponsoring Organization:
USDOE Office of Science (SC); National Aeronautics and Space Administration (NASA); National Natural Science Foundation of China (NSFC); Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Grant/Contract Number:
AC02-09CH11466; FG02-04ER54746; NNH20ZDA001N; 80HQTR21T0060; 11975163; AC0209CH11466
OSTI ID:
1856198
Alternate ID(s):
OSTI ID: 1845349
Journal Information:
Physics of Plasmas, Vol. 29, Issue 2; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (1)

Effects of Coulomb collisions on lower hybrid drift waves inside a laboratory reconnection current sheet dataset January 2021