Preferential Heating and Acceleration of Heavy Ions in Impulsive Solar FlaresWe simulate decaying turbulence in a homogeneous pair plasma using three dimensional electromagnetic particle-in-cell (PIC) method. A uniform background magnetic field permeates the plasma such that…R. Kumar, D. Eichler, M. Gaspari et al.·Feb 2, 2017SaveLearn
How Electron Two-Stream Instability Drives Cyclic Langmuir Collapse and Continuous Coherent EmissionContinuous plasma coherent emission is maintained by repetitive Langmuir collapse driven by the nonlinear evolution of a strong electron two-stream instability. The Langmuir waves are modulated by…H. Che, M. L. Goldstein, P. H. Diamond et al.·Feb 2, 2017SaveLearn
A propagation tool to connect remote-sensing observations with in-situ measurements of heliospheric structuresThe remoteness of the Sun and the harsh conditions prevailing in the solar corona have so far limited the observational data used in the study of solar physics to remote-sensing observations taken…A. P. Rouillard, B. Lavraud, V. Genot et al.·Feb 1, 2017SaveLearn
The Formation of Heliospheric Arcs of Slow Solar WindA major challenge in solar and heliospheric physics is understanding how highly localized regions, far smaller than 1 degree at the Sun, are the source of solar-wind structures spanning more than 20…A. K. Higginson, S. K. Antiochos, C. R. DeVore et al.·Jan 30, 2017SaveLearn
The optimisation of low-acceleration interstellar relativistic rocket trajectories using genetic algorithmsA vast wealth of literature exists on the topic of rocket trajectory optimisation, particularly in the area of interplanetary trajectories due to its relevance today. Studies on optimising…Kenneth K H Fung, Geraint F Lewis, Xiaofeng Wu·Jan 28, 2017SaveLearn
Radiometric Actuators for Spacecraft Attitude ControlCubeSats and small satellites are emerging as low-cost tools to perform astronomy, exoplanet searches and earth observation. These satellites can be dedicated to pointing at targets for weeks or…Ravi Teja Nallapu, Amit Tallapragada, Jekan Thangavelautham·Jan 26, 2017SaveLearn
The geomagnetic/magneto-telluric induction problem with spatial conductivity fluctuationsThe electromagnetic induction equation (Helmholtz equation) for the electrically conducting Earth is generalised to the inclusion of a spatially fluctuating internal conductivity spectrum that is…R. A. Treumann, W. Baumjohann·Jan 25, 2017SaveLearn
Electron cyclotron maser instability (ECMI) in strong magnetic guide field reconnectionReconnection in strong current-aligned magnetic guide fields allows for the excitation of the electron-cyclotron-maser instability and emission of electromagnetic radiationfrom the electron exhaust…R. A. Treumann, W. Baumjohann·Jan 24, 2017SaveLearn
Kinematics effects of atmospheric friction in spacecraft flybysGravity assist manoeuvres are one of the most succesful techniques in astrodynamics. In these trajectories the spacecraft comes very close to the surface of the Earth, or other Solar system planets…L. Acedo·Jan 24, 2017SaveLearn
North-south asymmetries in cold plasma density in the magnetotail lobes: Cluster observationsIn this paper, we present observations of cold (0-70 eV) plasma density in the magnetotail lobes. The observations and results are based on 16 years of Cluster observation of spacecraft potential…S. Haaland, B. Lybekk, L. Maes et al.·Jan 19, 2017SaveLearn
Atmospheric Drag, Occultation 'N' Ionospheric Scintillation (ADONIS) mission proposalThe Atmospheric Drag, Occultation 'N' Ionospheric Scintillation mission (ADONIS) studies the dynamics of the terrestrial thermosphere and ionosphere in dependency of solar events over a full…Sebastian Hettrich, Yann Kempf, Nikolaos Perakis et al.·Jan 19, 2017SaveLearn
Conductivity spectrum and dispersion relation in solar wind turbulenceMagnetic turbulence in the solar wind is treated from the point of view of electrodynamics. This can be done based on the use of Poynting's theorem attributing all turbulent dynamics to the…R. A. Treumann, W. Baumjohann·Jan 18, 2017SaveLearn
Corotating Magnetic Reconnection Site in Saturn's MagnetosphereUsing measurements from the Cassini spacecraft in Saturn's magnetosphere, we propose a 3D physical picture of a corotating reconnection site, which can only be driven by an internally generated…Zhonghua Yao, A. J. Coates, L. C. Ray et al.·Jan 17, 2017SaveLearn
Suprathermal electron strahl widths in the presence of narrow-band whistler waves in the solar windWe perform the first statistical study of the effects of the interaction of suprathermal electrons with narrow-band whistler mode waves in the solar wind. We show that this interaction does occur and…P. Kajdic, O. Alexandrova, M. Maksimovic et al.·Jan 17, 2017SaveLearn
Defining and resolving current systems in geospaceElectric currents flowing through near-Earth space (R ≤12 RE) can support a highly distorted magnetic field topology, changing particle drift paths and therefore having…N. Y. Ganushkina, M. W. Liemohn, S. Dubyagin et al.·Jan 17, 2017SaveLearn
In-flight calibration of NOAA POES proton detectors: Derivation of the MEPED correction factorsThe MEPED instruments on board the NOAA POES andMetOp satellites have been continuously measuring energetic particles in the magnetosphere since 1978. However, degradation of the proton detectors…Marit Irene Sandanger, Linn-Kristine Glesnes Ødegaard, Hilde Nesse Tyssøy et al.·Jan 17, 2017SaveLearn
Dawn-dusk asymmetries in the coupled solar wind-magnetosphere-ionosphere system: a reviewDawn-dusk asymmetries are ubiquitous features of the coupled solar-wind-magnetosphere-ionosphere system. During the last decades, increasing availability of satellite and ground-based measurements…A. P. Walsh, S. Haaland, C. Forsyth et al.·Jan 17, 2017SaveLearn
Solar Energetic Particle transport near a Heliospheric Current SheetSolar Energetic Particles (SEPs), a major component of space weather, propagate through the interplanetary medium strongly guided by the Interplanetary Magnetic Field (IMF). In this work, we analyse…Markus Battarbee, Silvia Dalla, Mike S. Marsh·Jan 16, 2017SaveLearn
Proton fire hose instabilities in the expanding solar windUsing two-dimensional hybrid expanding box simulations we study the competition between the continuously driven parallel proton temperature anisotropy and fire hose instabilities in collisionless…Petr Hellinger·Jan 13, 2017SaveLearn
Mapping lightning in the sky with a mini arrayMini arrays are commonly used for infrasonic and seismic studies. Here we report for the first time the detection and mapping of distant lightning discharges in the sky with a mini array. The array…Martin Füllekrug, Zhongjian Liu, Kuang Koh et al.·Jan 11, 2017SaveLearn
Seasonal and diurnal variations in AMPERE observations of the Birkeland currents compared to modeled resultsWe reduce measurements made by the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE) to give the total Birkeland (field-aligned) current flowing in both hemispheres in…J. C. Coxon, S. E. Milan, J. A. Carter et al.·Jan 11, 2017SaveLearn
Observations of kinetic-size magnetic holes in the magnetosheathMagnetic holes (MHs), with a scale much greater than hoi (proton gyroradius), have been widely reported in various regions of space plasmas. On the other hand, kinetic-size magnetic holes…S. T. Yao, X. G. Wang, Q. Q. Shi et al.·Jan 7, 2017SaveLearn
Poynting's theorem in magnetic turbulencePoynting's theorem is used to obtain an expression for the turbulent power-spectral density as function of frequency and wavenumber in low-frequency magnetic turbulence. No reference is made to…R. A. Treumann, W. Baumjohann·Jan 5, 2017SaveLearn
Charged particle diffusion in isotropic random magnetic fieldsThe investigation of the diffusive transport of charged particles in a turbulent magnetic field remains a subject of considerable interest. Research has most frequently concentrated on determining…Prachanda Subedi, Wirin Sonsrettee, Pasquale Blasi et al.·Dec 30, 2016SaveLearn
Magnetospheric Multiscale Observations of Electron Vortex Magnetic Hole in the Magnetosheath Turbulent PlasmaWe report the observations of an electron vortex magnetic hole corresponding to a new type of coherent structures in the magnetosheath turbulent plasma using the Magnetospheric Multiscale (MMS)…S. Y. Huang, F. Sahraoui, Z. G. Yuan et al.·Dec 28, 2016SaveLearn