Magnetic reconnection in the era of exascale computing and multiscale experiments
Astrophysical plasmas have the remarkable ability to preserve magnetic topology, which
inevitably gives rise to the accumulation of magnetic energy within stressed regions …
inevitably gives rise to the accumulation of magnetic energy within stressed regions …
BepiColombo science investigations during cruise and flybys at the Earth, Venus and Mercury
The dual spacecraft mission BepiColombo is the first joint mission between the European
Space Agency (ESA) and the Japanese Aerospace Exploration Agency (JAXA) to explore …
Space Agency (ESA) and the Japanese Aerospace Exploration Agency (JAXA) to explore …
Reconnection-driven energy cascade in magnetohydrodynamic turbulence
Magnetohydrodynamic turbulence regulates the transfer of energy from large to small scales
in many astrophysical systems, including the solar atmosphere. We perform three …
in many astrophysical systems, including the solar atmosphere. We perform three …
Particle acceleration in relativistic plasma turbulence
Due to its ubiquitous presence, turbulence is often invoked to explain the origin of
nonthermal particles in astrophysical sources of high-energy emission. With particle-in-cell …
nonthermal particles in astrophysical sources of high-energy emission. With particle-in-cell …
Cosmic ray transport in large-amplitude turbulence with small-scale field reversals
P Kempski, DB Fielding, E Quataert… - Monthly Notices of …, 2023 - academic.oup.com
The nature of cosmic ray (CR) transport in the Milky Way remains elusive. The predictions of
current microphysical CR transport models in magnetohydrodynamic (MHD) turbulence are …
current microphysical CR transport models in magnetohydrodynamic (MHD) turbulence are …
MHD turbulence: a biased review
AA Schekochihin - Journal of Plasma Physics, 2022 - cambridge.org
This review of scaling theories of magnetohydrodynamic (MHD) turbulence aims to put the
developments of the last few years in the context of the canonical time line (from Kolmogorov …
developments of the last few years in the context of the canonical time line (from Kolmogorov …
Reconnection-controlled decay of magnetohydrodynamic turbulence and the role of invariants
DN Hosking, AA Schekochihin - Physical Review X, 2021 - APS
We present a new theoretical picture of magnetically dominated, decaying turbulence in the
absence of a mean magnetic field. With direct numerical simulations, we demonstrate that …
absence of a mean magnetic field. With direct numerical simulations, we demonstrate that …
[HTML][HTML] Transition from ion-coupled to electron-only reconnection: Basic physics and implications for plasma turbulence
Using 2.5 dimensional kinetic particle-in-cell simulations, we simulate reconnection
conditions appropriate for the magnetosheath and solar wind, ie, plasma beta (ratio of gas …
conditions appropriate for the magnetosheath and solar wind, ie, plasma beta (ratio of gas …
Spectrum of kinetic-Alfvén-wave turbulence: intermittency or tearing mediation?
We investigate the spectral properties of the electromagnetic fluctuations of sub-ion scale
turbulence in weakly collisional, low-beta plasmas using a two-field isothermal gyrofluid …
turbulence in weakly collisional, low-beta plasmas using a two-field isothermal gyrofluid …
The acceleration of charged particles and formation of power-law energy spectra in nonrelativistic magnetic reconnection
Magnetic reconnection is a primary driver of particle acceleration processes in space and
astrophysical plasmas. Understanding how particles are accelerated and the resulting …
astrophysical plasmas. Understanding how particles are accelerated and the resulting …