Revisiting a classic: the Parker-Moffatt problem
O. Pezzi, T.N. Parashar, S. Servidio, F. Valentini, C.L. Vasconez, Y., Yang, F. Malara, W.H. Matthaeus, P. Veltri
TL;DR
This paper explores the interaction of colliding Alfvén wave packets using both magnetohydrodynamics and hybrid kinetic simulations, revealing new features beyond traditional MHD theory.
Contribution
It extends classic MHD models of wave packet interactions to include compressive and kinetic effects, uncovering novel phenomena.
Findings
Revisits classical MHD theory of wave interactions
Identifies new features when including kinetic effects
Demonstrates the importance of compressive dynamics
Abstract
The interaction of two colliding Alfv\'en wave packets is here described by means of magnetohydrodynamics (MHD) and hybrid kinetic numerical simulations. The MHD evolution revisits the theoretical insights described by Moffatt, Parker, Kraichnan, Chandrasekhar and Els\"asser in which the oppositely propagating large amplitude wave packets interact for a finite time, initiating turbulence. However, the extension to include compressive and kinetic effects, while maintaining the gross characteristics of the simpler classic formulation, also reveals intriguing features which go beyond the pure MHD treatment.
Peer Reviews
No public reviews on file for this paper yet. If you reviewed it on a platform where reviews are public (OpenReview, ICLR, NeurIPS, ICML), you can paste yours below so the community can read it here.
Videos
No videos yet. Explain this paper in a talk, walkthrough, or lecture? Add one.