28 février 2024 à 1 mars 2024
Institut d'Astrophysique de Paris
Fuseau horaire Europe/Paris

Study of nonlinear processes occurring during type III solar radio bursts using electromagnetic waveform analysis

29 févr. 2024, 10:00
15m
Amphithéâtre Henri Mineur (Institut d'Astrophysique de Paris)

Amphithéâtre Henri Mineur

Institut d'Astrophysique de Paris

Institut d'astrophysique de Paris 98 bis Boulevard Arago 75014 PARIS
Oral presentation Session 5

Orateur

Francisco Javier Polanco Rodriguez (Laboratoire de Physique des Plasmas (LPP))

Description

The study focuses on electromagnetic waves radiated by the Langmuir wave turbulence generated by electron beams in the solar wind and corona during type III solar radio bursts. The waveforms used for analysis are provided by 2D/3V large-scale and long-term Particle-In-Cell simulations. They allow us to highlight different nonlinear interaction processes between waves, such as the three-waves' electrostatic wave decay, for various plasma parameters as the ambient magnetic field, the ion-to-electron temperature ratio and the average level of the external random plasma density fluctuations. Hundreds of virtual satellites moving in the 2D simulation box and recording waveforms of electromagnetic fields and particle densities are modeled, in order to perform statistical studies. Plasma random density fluctuations are found to play a crucial role.

Day constraints

Only available for the 28 and 29 February. 1st march is impossible to be present.

Astrophysics Field Solar & Stellar Physics

Auteur principal

Francisco Javier Polanco Rodriguez (Laboratoire de Physique des Plasmas (LPP))

Co-auteurs

Mlle Catherine Krafft (Laboratoire de Physique des Plasmas (LPP)) M. Philippe Savoini (Laboratoire de Physique des Plasmas (LPP))

Documents de présentation

Aucun document.