Details

Autor(en) / Beteiligte

• Khotyaintsev, Yu V
• Graham, D B
• Steinvall, K
• Alm, L
• Vaivads, A
• Johlander, A
• Norgren, C
• Li, W
• Divin, A
• Fu, H S
• Hwang, K-J
• Burch, J L
• Ahmadi, N
• Le Contel, O
• Gershman, D J
• Russell, C T
• Torbert, R B

Titel

Electron Heating by Debye-Scale Turbulence in Guide-Field Reconnection

Ist Teil von

• Physical review letters, 2020, Vol.124 (4), p.045101-045101, Article 045101

Ort / Verlag

United States: American Physical Society

Erscheinungsjahr

2020

Quelle

American Physical Society

Beschreibungen/Notizen

• We report electrostatic Debye-scale turbulence developing within the diffusion region of asymmetric magnetopause reconnection with a moderate guide field using observations by the Magnetospheric Multiscale mission. We show that Buneman waves and beam modes cause efficient and fast thermalization of the reconnection electron jet by irreversible phase mixing, during which the jet kinetic energy is transferred into thermal energy. Our results show that the reconnection diffusion region in the presence of a moderate guide field is highly turbulent, and that electrostatic turbulence plays an important role in electron heating.