OPTICS & PHOTONICS International Congress 2024

Presentation information

HEDS2024 » Oral Presentation

Collisionless Shock 4

Fri. Apr 26, 2024 9:00 AM - 10:15 AM 311+312 (Pacifico Yokohama Conference Center)

Session Chair: Frederico Fiúza (IST)

9:00 AM - 9:25 AM

[HEDS11-01(Invited)] Electron heating in high Alfvén Mach number collisionless shocks

*Arno Vanthieghem1,2,3, Vassilis Tsiolis2, Anatoly Spitkovsky2, Yasushi Todo4, Kazuhiro Sekiguchi3, Frederico Fiuza5,6 (1. Sorbonne Université, Observatoire de Paris, 2. Department of Astrophysical Sciences, Princeton University, 3. Department of Astro-fusion Plasma Physics (AFP), National Institute of Natural Sciences, 4. National Institute for Fusion Science, National Institutes of Natural Sciences, 5. Instituto Superior Técnico, Universidade de Lisboa, 6. High Energy Density Science Division, SLAC National Accelerator Laboratory)

High Alfvén Mach numbers shocks shape the emission in many astrophysical and laboratory environments. The downstream temperature ratio between electrons and ions constitutes one of the most fundamental challenges in their modeling. I will introduce a new theoretical model that accounts for electron heating in an ambipolar-type diffusive process and discuss implications for electron injection.

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