323 citations · 2k across the 62 of their papers we have counts for
63 papers
Spacecraft wakes in the solar wind
Anders I. Eriksson, Yuri Khotyaintsev, Per-Arne Lindqvist
The solar wind flow creates a wake behind any spacecraft immersed in it. We study the properties of this wake using the spherical electrostatic probes of the Electric Fields and Wa…
Occurrence of Non-Stationarity at Earth's Quasi-Perpendicular Bow Shock
Ajay Lotekar, Yuri V. Khotyaintsev, Daniel B. Graham +3
Collisionless shocks can exhibit non-stationary behavior even under steady upstream conditions, forming a complex transition region. Ion phase-space holes, linked to shock self-ref…
Electron Acceleration via Trapping inside Ion Mirror-mode Structures within A Large-scale Magnetic Flux Rope
Z. H. Zhong, H. Zhang, M. Zhou +4
Fermi acceleration is believed as a crucial process for the acceleration of energetic electrons within flux ropes (FRs) during magnetic reconnection. However, in finite-length FRs…
Debye-scale electrostatic waves across quasi-perpendicular shocks
Ahmad Lalti, Yuri V. Khotyaintsev, Daniel B. Graham +1
The evolution of the properties of short-scale electrostatic waves across collisionless shocks remains an open question. We use a method based on the interferometry of the electric…
Electron Heating by Parallel Electric Fields in Magnetotail Reconnection
Louis Richard, Yuri V. Khotyaintsev, Cecilia Norgren +5
We investigate electron heating by magnetic-field-aligned electric fields () during anti-parallel magnetic reconnection in the Earth's magnetotail. Using a statistical…
Electron-scale energy transfer due to lower hybrid waves during asymmetric reconnection
Sabrina F. Tigik, Daniel B. Graham, Yuri V. Khotyaintsev
We use Magnetospheric Multiscale (MMS) mission data to investigate electron-scale energy transfer due to lower hybrid drift waves during magnetopause reconnection. We analyze waves…
The Interplay Between Collisionless Magnetic Reconnection and Turbulence
J. E. Stawarz, P. A. Muñoz, N. Bessho +13
Alongside magnetic reconnection, turbulence is another fundamental nonlinear plasma phenomenon that plays a key role in energy transport and conversion in space and astrophysical p…
Outstanding questions and future research of magnetic reconnection
R. Nakamura, J. L. Burch, J. Birn +22
This short article highlights the unsolved problems of magnetic reconnection in collisionless plasma. The advanced in-situ plasma measurements and simulations enabled scientists to…
Electron heating at quasi-perpendicular collisionless shocks
Ahmad Lalti, Yuri V. Khotyaintsev, Daniel B. Graham
Adiabatic and non-adiabatic electron dynamics have been proposed to explain electron heating across collisionless shocks. We analyze the evolution of the suprathermal electrons acr…
Ion Reflection by a Rippled Perpendicular Shock
Yuri V. Khotyaintsev, Daniel B. Graham, Andreas Johlander
We use multi-spacecraft Magnetospheric Multiscale (MMS) observations to investigate electric fields and ion reflection at a non-stationary collisionless perpendicular plasma shock.…
Ion Dynamics Across a Low Mach Number Bow Shock
D. B. Graham, Yu. V. Khotyaintsev, A. P. Dimmock +4
A thorough understanding of collisionless shocks requires knowledge of how different ion species are accelerated across the shock. We investigate a bow shock crossing using the Mag…
Unveiling plasma energization and energy transport in the Earth Magnetospheric System: the need for future coordinated multiscale observations
A. Retino, L. Kepko, H. Kucharek +31
Energetic plasma is everywhere in the Universe. The terrestrial Magnetospheric System is a key case where direct measures of plasma energization and energy transport can be made in…
Particle acceleration by magnetic reconnection in geospace
Mitsuo Oka, Joachim Birn, Jan Egedal +7
Particles are accelerated to very high, non-thermal energies during explosive energy-release phenomena in space, solar, and astrophysical plasma environments. While it has been est…
Advanced methods for analyzing in-situ observations of magnetic reconnection
H. Hasegawa, M. R. Argall, N. Aunai +33
There is ample evidence for magnetic reconnection in the solar system, but it is a nontrivial task to visualize, to determine the proper approaches and frames to study, and in turn…
Multi-point Assessment of the Kinematics of Shocks (MAKOS): A Heliophysics Mission Concept Study
Katherine A. Goodrich, Lynn B. Wilson, Steven Schwartz +6
Collisionless shocks are fundamental processes that are ubiquitous in space plasma physics throughout the Heliosphere and most astrophysical environments. Earth's bow shock and int…
Turbulence in Magnetic Reconnection Jets from Injection to Sub-Ion Scales
L. Richard, L. Sorriso-Valvo, E. Yordanova +2
We investigate turbulence in magnetic reconnection jets in the Earth's magnetotail using data from the Magnetospheric Multiscale spacecraft. We show that signatures of a limited in…
Fast Ion Isotropization by Current Sheet Scattering in Magnetic Reconnection Jets
L. Richard, Yu. V. Khotyaintsev, D. B. Graham +3
We present a statistical analysis of ion distributions in magnetic reconnection jets using data from the Magnetospheric Multiscale spacecraft. Compared with the quiet plasma in whi…
Short wavelength electrostatic wave measurement using MMS spacecraft
Ahmad Lalti, Yuri V. Khotyaintsev, Daniel B. Graham
Determination of the wave mode of short-wavelength electrostatic waves along with their generation mechanism requires reliable measurement of the wave electric field. We investigat…
Mirror mode storms observed by Solar Orbiter
A. P. Dimmock, E. Yordanova, D. B. Graham +8
Mirror modes are ubiquitous in space plasma and grow from pressure anisotropy. Together with other instabilities, they play a fundamental role in constraining the free energy conta…
2D reconstruction of magnetotail electron diffusion region measured by MMS
J. M. Schroeder, J. Egedal, G. Cozzani +4
Models for collisionless magnetic reconnection in near-Earth space are distinctly characterized as 2D or 3D. In 2D kinetic models, the frozen-in law for the electron fluid is usual…
Are Dipolarization Fronts a Typical Feature of Magnetotail Plasma Jets Fronts?
L. Richard, Yu. V. Khotyaintsev, D. B Graham +1
Plasma jets are ubiquitous in the Earth's magnetotail. Plasma jet fronts (JFs) are the seat of particle acceleration and energy conversion. JFs are commonly associated with dipolar…
A database of MMS bow shock crossings compiled using machine learning
A. Lalti, Yu. V. Khotyaintsev, A. P. Dimmock +3
Identifying collisionless shock crossings in data sent from spacecraft has so far been done manually. It is a tedious job that shock physicists have to go through if they want to c…
Ion Acceleration at Magnetotail Plasma Jets
L. Richard, Yu. V. Khotyaintsev, D. B Graham +6
We investigate a series of Earthward bursty bulk flows (BBFs) observed by the Magnetospheric Multiscale (MMS) spacecraft in Earth's magnetotail at (-24, 7, 4) RE in Geocentric Sola…
Kinetic-scale current sheets in near-Sun solar wind: properties, scale-dependent features and reconnection onset
A. Lotekar, I. Y. Vasko, T. Phan +6
We present statistical analysis of 11,200 proton kinetic-scale current sheets (CS) observed by Parker Solar Probe during 10 days around the first perihelion. The CS thickness i…