On the applicability of single-spacecraft interferometry methods using electric field probesWhen analyzing plasma waves, a key parameter to determine is the phase velocity. It enables us to, for example, compute wavelengths, wave potentials, and determine the energy of resonant particles.…Konrad Steinvall, Yuri V. Khotyaintsev, Daniel B. Graham·Nov 19, 2021SaveLearn
Small-scale magnetic flux ropes and their properties based on in-situ measurements from Parker Solar ProbeWe report small-scale magnetic flux ropes via the Parker Solar Probe in situ measurements during the first six encounters and present additional analyses to supplement our prior work in Chen et al.…Yu Chen, Qiang Hu·Nov 17, 2021SaveLearn
How to create an artificial magnetosphere for MarsIf humanity is ever to consider substantial, long-term colonization of Mars, the resources needed are going to be extensive. For a long-term human presence on Mars to be established, serious thought…Ruth A. Bamford, Barry J. Kellett, James L. Green et al.·Nov 12, 2021SaveLearn
Scale dependent anisotropy of electric field fluctuations in solar wind turbulenceWe study the variation of average powers and spectral indices of electric field fluctuations with respect to the angle between average flow direction and the mean magnetic field in solar wind…Deepali Deepali, Supratik Banerjee·Nov 11, 2021SaveLearn
Optical tweezers in a dusty universeOptical tweezers are powerful tools based on focused laser beams. They are able to trap, manipulate and investigate a wide range of microscopic and nanoscopic particles in different media, such as…P. Polimeno, A. Magazzu, M. A. Iati et al.·Nov 10, 2021SaveLearn
On Large Ground Station Antennas as Potential Radar Targets for BiomassRadio-telescopes or ground-station antennas can, if pointed, act as a radar target with high radar cross-section (RCS). Space-based Synthetic Aperture Radar (SAR) data confirmed it at 5:3GHz for a…Cornelis G. M. van 't Klooster, Arnold van Ardenne·Nov 9, 2021SaveLearn
Astrophysical Jets in Relativistic Regime : Thermal and Radiative DrivingWe study the efficiency of radiation in driving jets around black holes. Including general relativity for the radiation driving, we also show that the radiation field is affected by strong…Mukesh Kumar Vyas·Nov 9, 2021SaveLearn
Energetic pickup proton population downstream of the termination shock as revealed by the IBEX-Hi dataThe pickup protons originate as a result of the ionization of hydrogen atoms in the supersonic solar wind, forming the suprathermal component of protons in the heliosphere. While picked by the…I. I. Baliukin, V. V. Izmodenov, D. B. Alexashov·Oct 29, 2021SaveLearn
Spontaneous Magnetic Fluctuations and Collisionless Regulation of Turbulence in the Earth's MagnetotailAmong the fundamental and most challenging problems of laboratory, space, and astrophysical plasma physics is to understand the relaxation processes of nearly collisionless plasmas toward…C. M. Espinoza, P. S. Moya, M. Stepanova et al.·Oct 26, 2021SaveLearn
A Turbulent Heating Model Combining Diffusion and Advection Effects for Giant Planet MagnetospheresThe ion temperature of the magnetospheres of Jupiter and Saturn was observed to increase substantially from about 10 to 30 planet radii. Different heating mechanisms have been proposed to explain…C. S. Ng, B. R. Neupane, P. A. Delamere et al.·Oct 17, 2021SaveLearn
Stability of the magnetotail current sheet with normal magnetic field and field-aligned plasma flowsOne of the most important problems of magnetotail dynamics is the substorm onset and the related instability of the magneotail current sheet. Since the simplest 2D current sheet configuration with…Chen Shi, Anton Artemyev, Marco Velli et al.·Oct 16, 2021SaveLearn
ADBSat: Verification and validation of a novel panel method for quick aerodynamic analysis of satellitesWe present the validation of ADBSat, a novel implementation of the panel method including a fast pseudo-shading algorithm, that can quickly and accurately determine the forces and torques on…Luciana Sinpetru, Nicholas H. Crisp, Peter C. E. Roberts et al.·Oct 12, 2021SaveLearn
The current state and future directions of modeling thermosphere density enhancements during extreme magnetic stormsSatellites, crewed spacecraft and stations in low-Earth orbit (LEO) are very sensitive to atmospheric drag. A satellite's lifetime and orbital tracking become increasingly inaccurate or uncertain…Denny M. Oliveira, Eftyhia Zesta, Piyush M. Mehta et al.·Oct 8, 2021SaveLearn
Magnetopause ripples going against the flow form azimuthally stationary surface wavesSurface waves process the turbulent disturbances which drive dynamics in many space, astrophysical and laboratory plasma systems, with the outer boundary of Earth's magnetosphere, the magnetopause,…M. O. Archer, M. D. Hartinger, F. Plaschke et al.·Oct 6, 2021SaveLearn
Structure of the Martian dayside magnetosphere: two typesThe comprehensive suite of scientific instruments with high temporal resolution measurements on the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft allowed studies of the structure and…Oleg Vaisberg, Sergey Shuvalov, Eduard Dubinin et al.·Oct 6, 2021SaveLearn
The antenna phase center motion effect in high-accuracy spacecraft tracking experimentsWe present an improved model for the antenna phase center motion effect for high-gain mechanically steerable ground-based and spacecraft-mounted antennas that takes into account non-perfect antenna…D. A. Litvinov, N. V. Nunes, A. I. Filetkin et al.·Oct 6, 2021SaveLearn
A Systematic Look at the Temperature Gradient Contribution to the Dayside Magnetopause CurrentMagnetopause diamagnetic currents arise from density and temperature driven pressure gradients across the boundary layer. While theoretically recognized, the temperature contributions to the…Jason M. H. Beedle, David J. Gershman, Vadim M. Uritsky et al.·Oct 3, 2021SaveLearn
Numerical and experimental evidence for a new interpretation of residence times in spaceWe investigate the energy dependence of Jovian electron residence times, which allows for a deeper understanding of adiabatic energy changes that occur during charged particle transport, as well as…A. Vogt, N. E. Engelbrecht, B. Heber et al.·Oct 1, 2021SaveLearn
Improving the Solar Wind Density Model Used in Processing of Spacecraft Ranging ObservationsSolar plasma as a cause of radio signal delay has been playing an important role in solar and planetary science. Early experiments studying the distribution of electrons near the Sun from spacecraft…Dan Aksim, Dmitry Pavlov·Sep 24, 2021SaveLearn
In Situ Detection of Kinetic-Size Magnetic Holes in the Martian MagnetosheathDepression in magnetic field strength with a scale below one proton gyroradius is referred to as kinetic-size magnetic hole (KSMH). KSMHs are frequently observed near terrestrial space environments…S. Y. Huang, R. T. Lin, Z. G. Yuan et al.·Sep 24, 2021SaveLearn
Observations of an Electron-cold Ion Component Reconnection at the Edge of an Ion-scale Antiparallel Reconnection at the Dayside MagnetopauseSolar wind parameters play a dominant role in reconnection rate, which controls the solar wind-magnetosphere coupling efficiency at Earth's magnetopause. Besides, low-energy ions from the ionosphere,…S. Q. Zhao, H. Zhang, Terry Z. Liu et al.·Sep 22, 2021SaveLearn
Relativistic electron flux model in the outer radiation belt using a neural network approachWe present a machine-learning-based model of relativistic electron fluxes >1.8 MeV using a neural network approach in the Earth's outer radiation belt. The Outer RadIation belt Electron Neural net…Xiangning Chu, Donglai Ma, Jacob Bortnik et al.·Sep 22, 2021SaveLearn
Modeling the dynamic variability of sub-relativistic outer radiation belt electron fluxes using machine learningWe present a set of neural network models that reproduce the dynamics of electron fluxes in the range of 50 keV 1 MeV in the outer radiation belt. The Outer Radiation belt Electron Neural net…Donglai Ma, Xiangning Chu, Jacob Bortnik et al.·Sep 17, 2021SaveLearn
On the Turbulent Reduction of Drifts for Solar Energetic ParticlesParticle drifts perpendicular to the background magnetic field have been proposed by some authors as an explanation for the very efficient perpendicular transport of solar energetic particles (SEPs).…J. P. van den Berg, N. E. Engelbrecht, N. Wijsen et al.·Sep 17, 2021SaveLearn
New Insight into the Formation Mechanism of the Energetic Particle Reservoirs in the HeliosphereThe concept of energetic particle reservoirs, essentially based on the assumption of the presence of outer reflecting boundaries/magnetic mirrors or diffusion barriers (deterministic) rather than on…H. -Q. He·Sep 14, 2021SaveLearn