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March 6, 2026The Astrophysical JournalOpen Access

Resonant Absorption and Fluctuations via Hybrid Simulations on Coronal Loops. II. Kinetic Description

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Authors

HCHugo A. CarrilAVAdolfo ViñasJTJaume Terradas

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Overview

Hybrid simulations reveal resonant absorption effects on proton dynamics and heating in magnetized plasma.

Key Points

  • This research investigates how resonant absorption of polarized waves affects kinetic dynamics in coronal loops.
  • Simulated a magnetized plasma using a 2D-3V particle-in-cell-hybrid code.
  • Varying layer thicknesses and magnetic field angles to explore effects on absorption.
  • Analyzed the interaction of counterpropagating kinetic Alfvén waves to derive a parallel electric field.
  • Observed strong heating and flat-topped proton distribution functions due to resonant absorption effects.
  • Significant density structures were generated as a result of parallel electric field interactions.
  • Transverse temperature showed exponential growth due to fluctuations influenced by cross-field drift.

Cite This Study

Carril et al. (2026) studied this question.

synapsesocial.com/papers/69aa6f3c531e4c4a9ff59534https://doi.org/10.3847/1538-4357/ae394e
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