Ida Svenningsson (IRF Uppsala): on heating and wave-particle interactions in turbulent space plasma (Licentiate)

Wednesday 31 May 2023, 11:00 → 12:00 Europe/Stockholm

10132 (Ångströmlaboratoriet)

Title: Electron heating and wave-particle interactions in turbulent space plasma
Location: 10132 Häggsalen, Ångström (https://link.mazemap.com/T0Wnxt61)
Date and Time: May 31, 11:00
Zoom: https://irf-se.zoom.us/j/65655480602?pwd=R0RiZUQ5QVZrR1ZjeURqZWxSejMvdz09 
(meeting ID: 656 5548 0602, passcode: 8593983395)
Main supervisor: Dr Emiliya Yordanova, Swedish Institute of Space Physics, Uppsala
External reviewer: Dr Jan Souček, The Institute of Atmospheric Physics, Czech Republic

Abstract:
The Earth’s magnetosheath is a space plasma region consisting of solar wind plasma which is heated and compressed due to interaction with the Earth's magnetic field. This turbulent region contains coherent structures and various plasma waves which affect the particle dynamics and collisionless energy transfer. In this licentiate thesis, we investigate such processes and where they occur. Through in-situ measurements from NASA's Magnetospheric Multiscale (MMS) mission, we study whistler waves – electromagnetic, right-hand polarized waves known to heat electrons – and how they interact with electrons. We show how whistler waves are generated by electrons in the turbulent magnetosheath. We also investigate which plasma conditions are favorable for whistler waves to form.

Link to calendar event:
https://www.physics.uu.se/kalendarium/evenemang/?eventId=81306   

A digital copy of the thesis can be found here:
https://cloud.irf.se/s/GZGrZ4bEjPbo7MY