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Notice:
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Found 87 entries in the Bibliography.
Showing entries from 1 through 50
| 2023 |
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Spacecraft radial alignments for investigations of the evolution of solar wind turbulence: A review With the launch of the Parker Solar Probe, BepiColombo, and Solar Orbiter missions in the three-year period 2018 - 2020 , the investigation of the evolution of solar wind turbulence, dynamics, and structures in the inner heliosphere has become more readily feasible, thanks to the increasing availability of orbital configurations suitable for multi-point observations of the Sun and the processes it drives in interplanetary space. Specifically, data analysis, models, and numerical simulations based on multi-spacecraft coordina ... Published by: Journal of Atmospheric and Solar-Terrestrial Physics Published on: jan YEAR: 2023 DOI: 10.1016/j.jastp.2022.105999 Parker Data Used; magnetohydrodynamics (MHD); plasmas; turbulence; space vehicles; Sun: heliosphere; Solar wind |
| 2022 |
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The incompressible energy cascade rate in anisotropic solar wind turbulence Context. The presence of a magnetic guide field induces several types of anisotropy in solar wind turbulence. The energy cascade rate between scales in the inertial range depends strongly on the direction of this magnetic guide field, splitting the energy cascade according to the parallel and perpendicular directions with respect to magnetic guide field. \ Aims: Using more than two years of Parker Solar Probe (PSP) observations, the isotropy and anisotropy energy cascade rates are investigated. The variance and normalized fl ... es, Andr\; Sahraoui, F.; Huang, S.; Hadid, L.~Z.; Galtier, S.; Published by: \aap Published on: may YEAR: 2022 DOI: 10.1051/0004-6361/202142994 Parker Data Used; turbulence; magnetohydrodynamics (MHD); plasmas; Physics - Plasma Physics; Astrophysics - Solar and Stellar Astrophysics |
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A canonical description of a corotating solar wind high-speed stream in terms of velocity profile would indicate three main regions: a stream interface or corotating interaction region characterized by a rapid increase in flow speed and by compressive phenomena that are due to dynamical interaction between the fast wind flow and the slower ambient plasma; a fast wind plateau characterized by weak compressive phenomena and large-amplitude fluctuations with a dominant Alfv\ enic character; and a rarefaction region characterize ... Carnevale, G.; Bruno, R.; Marino, R.; Pietropaolo, E.; Raines, J.~M.; Published by: \aap Published on: may YEAR: 2022 DOI: 10.1051/0004-6361/202040006 turbulence; Sun: magnetic fields; Solar wind; magnetohydrodynamics (MHD); Sun: corona; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics |
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An Extended and Fragmented Alfv\ en Zone in the Young Solar Wind Motivated by theoretical, numerical, and observational evidence, we explore the possibility that the critical transition between sub-Alfv\ enic flow and super-Alfv\ enic flow in the solar atmosphere takes place in fragmented and disconnected subvolumes within a general Alfv\ en critical zone. The initial observations of sub-Alfv\ enic periods by Parker Solar Probe near 16 R$_\ensuremath\odot$ do not yet provide sufficient evidence to distinguish this possibility from that of a folded surface that separates simply-connected r ... Chhiber, Rohit; Matthaeus, William; Usmanov, Arcadi; Bandyopadhyay, Riddhi; Goldstein, Melvyn; Published by: \mnras Published on: mar YEAR: 2022 DOI: 10.1093/mnras/stac779 |
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Structure and fluctuations of a slow ICME sheath observed at 0.5 au by the Parker Solar Probe Context. Sheath regions ahead of interplanetary coronal mass ejections (ICMEs) are compressed and turbulent global heliospheric structures. Their global and fine-scale structure are outstanding research problems, and only a few studies have been conducted on this topic closer to the Sun than 1 au. Comprehensive knowledge of the sheath structure and embedded fluctuations and of their evolution in interplanetary space is important for understanding their geoeffectiveness, their role in accelerating charged particles to high en ... Kilpua, E.~K.~J.; Good, S.~W.; Ala-Lahti, M.; Osmane, A.; Pal, S.; Soljento, J.~E.; Zhao, L.~L.; Bale, S.; Published by: \aap Published on: jul YEAR: 2022 DOI: 10.1051/0004-6361/202142191 Parker Data Used; Solar wind; Sun: coronal mass ejections (CMEs); shock waves; turbulence; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics |
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MHD-scale anisotropy in solar wind turbulence near the Sun using Parker solar probe data Recent Parker Solar Probe (PSP) observations have shown the presence of sudden reversals in the radial magnetic field, known as switchbacks. Applying a method based on wavelet analysis, here we study the nature of power and spectral-index anisotropies in switchback and non-switchback intervals using PSP data. While a similar spectral-index anisotropy, consistent with critical balance, is found in the switchback and non-switchback intervals, power anisotropy is more enhanced in the non- switchback samples. This result may be ... Sakshee, Sakshee; Bandyopadhyay, Riddhi; Banerjee, Supratik; Published by: \mnras Published on: jul YEAR: 2022 DOI: 10.1093/mnras/stac1449 Parker Data Used; MHD; turbulence; methods: data analysis; Solar wind |
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We study the radial evolution, from 0.1 AU to the Earth, of a homogeneous recurrent fast wind, coming from the same source on the Sun, by means of new measurements by both Solar Orbiter and Parker Solar Probe. With respect to previous radial studies, we extend, for the first time, the analysis of a recurrent fast stream at distances never reached prior to the Parker Solar Probe mission. Confirming previous findings, the observations show: (i) a decrease in the radial trend of the proton density that is slower than the one ex ... Perrone, D.; Perri, S.; Bruno, R.; Stansby, D.; Amicis, R.; Jagarlamudi, V.~K.; Laker, R.; Toledo-Redondo, S.; Stawarz, J.~E.; Telloni, D.; De Marco, R.; Owen, C.~J.; Raines, J.~M.; Settino, A.; Lavraud, B.; Maksimovic, M.; Vaivads, A.; Phan, T.~D.; Fargette, N.; Louarn, P.; Zouganelis, I.; Published by: \aap Published on: dec YEAR: 2022 DOI: 10.1051/0004-6361/202243989 |
| 2021 |
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Context. Alfv\ enic fluctuations are ubiquitous features observed in solar wind, especially in the inner heliosphere. However, strong Alfv\ enic fluctuations are recovered in the near-Earth solar wind too, mainly in fast streams, but also in some cases in slow wind intervals, as highlighted in recent studies. \ Aims: The present study focuses on a statistical comparison between different phases of solar cycles 23 and 24 with regard to the Alfv\ enic content of solar wind fluctuations. Particular attention is devoted to the A ... Amicis, R.; Alielden, K.; Perrone, D.; Bruno, R.; Telloni, D.; Raines, J.~M.; Lepri, S.~T.; Zhao, L.; Published by: \aap Published on: oct YEAR: 2021 DOI: 10.1051/0004-6361/202140600 Parker Data Used; plasmas; Sun: heliosphere; Solar wind; turbulence; methods: data analysis; Interplanetary medium |
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Context. The analysis of the thermal part of velocity distribution functions (VDFs) is fundamentally important for understanding the kinetic physics that governs the evolution and dynamics of space plasmas. However, calculating the proton core, beam, and \ensuremath\alpha-particle parameters for large data sets of VDFs is a time-consuming and computationally demanding process that always requires supervision by a human expert. \ Aims: We developed a machine learning tool that can extract proton core, beam, and \ensuremath\al ... Vech, D.; Stevens, M.~L.; Paulson, K.~W.; Malaspina, D.~M.; Case, A.~W.; Klein, K.~G.; Kasper, J.~C.; Published by: \aap Published on: jun YEAR: 2021 DOI: 10.1051/0004-6361/202141063 Parker Data Used; turbulence; plasmas; waves; methods: statistical; Physics - Space Physics; Astrophysics - Instrumentation and Methods for Astrophysics; Physics - Plasma Physics |
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First Solar Orbiter observation of the Alfv\ enic slow wind and identification of its solar source Context. Turbulence dominated by large-amplitude, nonlinear Alfv\ en-like fluctuations mainly propagating away from the Sun is ubiquitous in high-speed solar wind streams. Recent studies have demontrated that slow wind streams may also show strong Alfv\ enic signatures, especially in the inner heliosphere. \ Aims: The present study focuses on the characterisation of an Alfv\ enic slow solar wind interval observed by Solar Orbiter between 14 and 18 July 2020 at a heliocentric distance of 0.64 AU. \ Methods: Our analysis is ba ... Amicis, R.; Bruno, R.; Panasenco, O.; Telloni, D.; Perrone, D.; Marcucci, M.~F.; Woodham, L.; Velli, M.; De Marco, R.; Jagarlamudi, V.; Coco, I.; Owen, C.; Louarn, P.; Livi, S.; Horbury, T.; e, Andr\; Angelini, V.; Evans, V.; Fedorov, A.; Genot, V.; Lavraud, B.; Matteini, L.; Müller, D.; Brien, H.; Pezzi, O.; Rouillard, A.~P.; Sorriso-Valvo, L.; Tenerani, A.; Verscharen, D.; Zouganelis, I.; Published by: \aap Published on: dec YEAR: 2021 DOI: 10.1051/0004-6361/202140938 Parker Data Used; Interplanetary medium; Solar wind; methods: data analysis; magnetohydrodynamics (MHD); turbulence; Sun: general |
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\ Aims: Solar Orbiter (SolO) was launched on February 9, 2020, allowing us to study the nature of turbulence in the inner heliopshere. We investigate the evolution of anisotropic turbulence in the fast and slow solar wind in the inner heliosphere using the nearly incompressible magnetohydrodynamic (NI MHD) turbulence model and SolO measurements. \ Methods: We calculated the two dimensional (2D) and the slab variances of the energy in forward and backward propagating modes, the fluctuating magnetic energy, the fluctuating kin ... Adhikari, L.; Zank, G.~P.; Zhao, L.; Telloni, D.; Horbury, T.~S.; Brien, H.; Evans, V.; Angelini, V.; Owen, C.~J.; Louarn, P.; Fedorov, A.; Published by: \aap Published on: dec YEAR: 2021 DOI: 10.1051/0004-6361/202140672 |
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Energetic particle behavior in near-Sun magnetic field switchbacks from PSP Context. The observation of numerous magnetic switchbacks and associated plasma jets in Parker Solar Probe (PSP) during its first five orbits, particularly near the Sun, has attracted considerable attention. Switchbacks have been found to be systematically associated with correlated reversals in the direction of the propagation of Alfvénic fluctuations, as well as similar reversals of the electron strahl. Bandyopadhyay, R.; Matthaeus, W.; McComas, D.; Joyce, C.; Szalay, J.; Christian, E.; Giacalone, J.; Schwadron, N.; Mitchell, D.; Hill, M.; McNutt, R.; Desai, M.; Bale, S.; Bonnell, J.; de Wit, Dudok; Goetz, K.; Harvey, P.; MacDowall, R.; Malaspina, D.; Pulupa, M.; Kasper, J.; Stevens, M.; Published by: Astronomy and Astrophysics Published on: 06/2021 YEAR: 2021 DOI: 10.1051/0004-6361/202039800 Solar wind; magnetic fields; plasmas; turbulence; instabilities; waves; Parker Data Used |
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Applicability of Taylor s hypothesis during Parker Solar Probe perihelia We investigate the validity of Taylor s hypothesis (TH) in the analysis of velocity and magnetic field fluctuations in Alfvénic solar wind streams measured by Parker Solar Probe (PSP) during the first four encounters. The analysis is based on a recent model of the spacetime correlation of magnetohydrodynamic (MHD) turbulence, which has been validated in high-resolution numerical simulations of strong reduced MHD turbulence. We use PSP velocity and magnetic field measurements from 24 h intervals selected from each of the fir ... Perez, Jean; Bourouaine, Sofiane; Chen, Christopher; Raouafi, Nour; Published by: Astronomy and Astrophysics Published on: 06/2021 YEAR: 2021 DOI: 10.1051/0004-6361/202039879 Solar wind; Sun: heliosphere; turbulence; magnetohydrodynamics (MHD); plasmas; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics; Parker Data Used |
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Detection of small magnetic flux ropes from the third and fourth Parker Solar Probe encounters Context. Zhao, L.; Zank, G.; Hu, Q.; Telloni, D.; Chen, Y.; Adhikari, L.; Nakanotani, M.; Kasper, J.; Huang, J.; Bale, S.; Korreck, K.; Case, A.; Stevens, M.; Bonnell, J.; de Wit, Dudok; Goetz, K.; Harvey, P.; MacDowall, R.; Malaspina, D.; Pulupa, M.; Larson, D.; Livi, R.; Whittlesey, P.; Klein, K.; Raouafi, N.; Published by: Astronomy and Astrophysics Published on: 06/2021 YEAR: 2021 DOI: 10.1051/0004-6361/202039298 Solar wind; Sun: magnetic fields; turbulence; methods: observational; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics; Parker Data Used |
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Wave-particle energy transfer directly observed in an ion cyclotron wave Context. The first studies with Parker Solar Probe (PSP) data have made significant progress toward understanding of the fundamental properties of ion cyclotron waves in the inner heliosphere. The survey mode particle measurements of PSP, however, did not make it possible to measure the coupling between electromagnetic fields and particles on the time scale of the wave periods. Vech, D.; Martinovic, M.; Klein, K.; Malaspina, D.; Bowen, T.; Verniero, J.; Paulson, K.; de Wit, Dudok; Kasper, J.; Huang, J.; Stevens, M.; Case, A.; Korreck, K.; Mozer, F.; Goodrich, K.; Bale, S.; Whittlesey, P.; Livi, R.; Larson, D.; Pulupa, M.; Bonnell, J.; Harvey, P.; Goetz, K.; MacDowall, R.; Published by: Astronomy and Astrophysics Published on: 06/2021 YEAR: 2021 DOI: 10.1051/0004-6361/202039296 Solar wind; waves; turbulence; Physics - Space Physics; Physics - Plasma Physics; Parker Data Used |
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Unraveling the physics of the entire turbulent cascade of energy in space and astrophysical plasmas from the injection of energy at large scales to the dissipation of that energy into plasma heat at small scales, represents an overarching, open question in heliophysics and astrophysics. The fast cadence and high phase space resolution of particle velocity distribution measurements on modern spacecraft missions, such as the recently launched Parker Solar Probe, presents exciting new opportunities for identifying turbulent dis ... Verniero, J.; Howes, G.; Stewart, D.; Klein, K.; Published by: Journal of Geophysical Research (Space Physics) Published on: 05/2021 YEAR: 2021 DOI: 10.1029/2020JA028361 Solar wind; space plasma; turbulence; wave particle interaction; Parker Data Used |
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On Alfvénic Slow Wind: A Journey From the Earth Back to the Sun Comparative studies of fast and slow solar wind streams performed over the past decades have illustrated several differences between the plasma regimes for these different flows, examples including features such as temperatures, particle distribution function anisotropies, and the nature of the embedded turbulence, specifically the Alfvénicity of the fluctuations. Though this two state classification of the solar wind primarily based on flow speed has been widely adopted, more in depth studies have found that slow solar win ... Amicis, R.; Perrone, D.; Bruno, R.; Velli, M.; Published by: Journal of Geophysical Research (Space Physics) Published on: 04/2021 YEAR: 2021 DOI: 10.1029/2020JA028996 Parker Data Used; Coronal holes; interplanetary magnetic field; MHD waves and turbulence; Solar wind plasma; solar wind sources; turbulence |
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Kinetic-Scale Turbulence in the Venusian Magnetosheath Bowen, T.~A.; Bale, S.~D.; Bandyopadhyay, R.; Bonnell, J.~W.; Case, A.; Chasapis, A.; Chen, C.~H.~K.; Curry, S.; de Wit, Dudok; Goetz, K.; Goodrich, K.; Gruesbeck, J.; Halekas, J.; Harvey, P.~R.; Howes, G.~G.; Kasper, J.~C.; Korreck, K.; Larson, D.; Livi, R.; MacDowall, R.~J.; Malaspina, D.~M.; Mallet, A.; McManus, M.~D.; Page, B.; Pulupa, M.; Raouafi, N.; Stevens, M.~L.; Whittlesey, P.; Published by: \grl Published on: 01/2021 YEAR: 2021 DOI: 10.1029/2020GL090783 |
| 2020 |
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Bi-directional streaming of particles accelerated at the STEREO-A shock on 2008 March 9 Fraschetti, F.; Giacalone, J.; Published by: \mnras Published on: 12/2020 YEAR: 2020 DOI: 10.1093/mnras/staa3021 Parker Data Used; acceleration of particles; shock waves; turbulence; Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics |
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Alfv\ enic fluctuations in solar wind are an intrinsic property of fast streams, while slow intervals typically have a very low degree of Alfv\ enicity, with much more variable parameters. However, sometimes a slow wind can be highly Alfv\ enic. Here we compare three different regimes of solar wind, in terms of Alfv\ enic content and spectral properties, during a minimum phase of the solar activity and at 0.3 au. We show that fast and Alfv\ enic slow intervals share some common characteristics. This would suggest a simila ... Perrone, D.; D\textquoterightAmicis, R.; De Marco, R.; Matteini, L.; Stansby, D.; Bruno, R.; Horbury, T.; Published by: Astronomy \& Astrophysics Published on: 01/2020 YEAR: 2020 DOI: 10.1051/0004-6361/201937064 parker solar probe; plasmas; Solar Probe Plus; Solar wind; Sun: corona; Sun: heliosphere; turbulence |
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Spectral signatures of recursive magnetic field reconnection Published by: \mnras Published on: 01/2020 YEAR: 2020 DOI: 10.1093/mnras/stz3310 Parker Data Used; magnetic reconnection; MHD; plasmas; turbulence; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics |
| 2019 |
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Self-induced Scattering of Strahl Electrons in the Solar Wind We investigate the scattering of strahl electrons by microinstabilities as a mechanism for creating the electron halo in the solar wind. We develop a mathematical framework for the description of electron-driven microinstabilities and discuss the associated physical mechanisms. We find that an instability of the oblique fast-magnetosonic/whistler (FM/W) mode is the best candidate for a microinstability that scatters strahl electrons into the halo. We derive approximate analytic expressions for the FM/W instability thresho ... Verscharen, Daniel; Chandran, Benjamin; Jeong, Seong-Yeop; Salem, Chadi; Pulupa, Marc; Bale, Stuart; Published by: The Astrophysical Journal Published on: 12/2019 YEAR: 2019 DOI: 10.3847/1538-4357/ab4c30 Astrophysics - Solar and Stellar Astrophysics; instabilities; parker solar probe; Physics - Geophysics; Physics - Plasma Physics; Physics - Space Physics; plasmas; Solar Probe Plus; Solar wind; Sun: corona; turbulence; waves |
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Contextual Predictions for the Parker Solar Probe . I. Critical Surfaces and Regions The solar corona and young solar wind may be characterized by critical surfaces\textemdashthe sonic, Alfv\ en, and first plasma-β unity surfaces\textemdashthat demarcate regions where the solar wind flow undergoes certain crucial transformations. Global numerical simulations and remote sensing observations offer a natural mode for the study of these surfaces at large scales, thus providing valuable context for the high-resolution in situ measurements expected from the recently launched Parker Solar Probe (PSP). The prese ... Chhiber, Rohit; Usmanov, Arcadi; Matthaeus, William; Goldstein, Melvyn; Published by: The Astrophysical Journal Supplement Series Published on: 03/2019 YEAR: 2019 DOI: 10.3847/1538-4365/ab0652 Astrophysics - Solar and Stellar Astrophysics; magnetohydrodynamics: MHD; Parker Data Used; parker solar probe; Physics - Space Physics; Solar Probe Plus; Solar wind; Sun: corona; turbulence |
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Dissipation Scale Lengths of Solar Wind Turbulence Raja, Sasikumar; Subramanian, Prasad; Ingale, Madhusudan; Ramesh, R.; Published by: \apj Published on: 02/2019 YEAR: 2019 DOI: 10.3847/1538-4357/aafd33 occultations; scattering; Solar wind; Sun: corona; turbulence; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics |
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Inherentness of Non-stationarity in Solar Wind Jagarlamudi, Vamsee; de Wit, Thierry; Krasnoselskikh, Vladimir; Maksimovic, Milan; Published by: \apj Published on: 01/2019 YEAR: 2019 DOI: 10.3847/1538-4357/aaef2e |
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Does Turbulence Turn off at the Alfv\ en Critical Surface? The\ Parker Solar Probe\ (PSP) will eventually reach and cross the Alfv\ en point or surface as it provides us with direct in situ measurements of the solar atmosphere. The Alfv\ en surface is the location at which the large-scale bulk solar wind speed\ Published by: The Astrophysical Journal Published on: 01/2019 YEAR: 2019 DOI: 10.3847/1538-4357/ab141c |
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The Fluid-like and Kinetic Behavior of Kinetic Alfv\ en Turbulence in Space Plasma Kinetic Alfv\ en waves (KAWs) are the short-wavelength extension of the magnetohydrodynamics Alfv\ en-wave branch in the case of highly oblique propagation with respect to the background magnetic field. Observations of space plasma show that small-scale turbulence is mainly KAW-like. We apply two theoretical approaches, a collisional two-fluid theory and a collisionless linear kinetic theory, to obtain predictions for the KAW polarizations depending on\ β\ p\ (the ratio of the proton th ... Wu, Honghong; Verscharen, Daniel; Wicks, Robert; Chen, Christopher; He, Jiansen; Nicolaou, Georgios; Published by: The Astrophysical Journal Published on: 01/2019 YEAR: 2019 DOI: 10.3847/1538-4357/aaef77 magnetohydrodynamics: MHD; plasmas; solar-terrestrial relations; turbulence; waves; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics |
| 2018 |
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On slow solar wind with high Alfv\ enicity: from composition and microphysics to spectral properties Alfv\ enic fluctuations are very common features in the solar wind and are found especially within the main portion of fast-wind streams while the slow wind usually is less Alfv\ enic and more variable. In general, the fast and slow winds show many differences, which span from the large-scale structure to small-scale phenomena, including also a different turbulent behaviour. Recent studies, however, have shown that even the slow wind can sometimes be highly Alfv\ enic, with fluctuations as large as those of the fast wind. ... D’Amicis, Raffaella; Matteini, Lorenzo; Bruno, Roberto; Published by: Monthly Notices of the Royal Astronomical Society Published on: 3/2019 YEAR: 2018 DOI: 10.1093/mnras/sty3329 Astrophysics - Solar and Stellar Astrophysics; methods: data analysis; parker solar probe; Physics - Data Analysis; Physics - Plasma Physics; Physics - Space Physics; Solar Probe Plus; Solar wind; Statistics and Probability; turbulence |
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Dependence of Coronal Loop Temperature on Loop Length and Magnetic Field Strength Dahlburg, R.~B.; Einaudi, G.; Ugarte-Urra, I.; Rappazzo, A.~F.; Velli, M.; Published by: \apj Published on: 12/2018 YEAR: 2018 DOI: 10.3847/1538-4357/aae535 Parker Data Used; magnetohydrodynamics: MHD; Sun: activity; Sun: corona; turbulence |
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Chhiber, R.; Chasapis, A.; Bandyopadhyay, R.; Parashar, T.~N.; Matthaeus, W.~H.; Maruca, B.~A.; Moore, T.~E.; Burch, J.~L.; Torbert, R.~B.; Russell, C.~T.; Le Contel, O.; Argall, M.~R.; Fischer, D.; Mirioni, L.; Strangeway, R.~J.; Pollock, C.~J.; Giles, B.~L.; Gershman, D.~J.; Published by: Journal of Geophysical Research (Space Physics) Published on: 12/2018 YEAR: 2018 DOI: 10.1029/2018JA025768 Parker Data Used; Solar wind; magnetosheath; turbulence; plasma turbulence; intermittency; multispacecraft technique |
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Bandyopadhyay, Riddhi; Chasapis, A.; Chhiber, R.; Parashar, T.~N.; Matthaeus, W.~H.; Shay, M.~A.; Maruca, B.~A.; Burch, J.~L.; Moore, T.~E.; Pollock, C.~J.; Giles, B.~L.; Paterson, W.~R.; Dorelli, J.; Gershman, D.~J.; Torbert, R.~B.; Russell, C.~T.; Strangeway, R.~J.; Published by: \apj Published on: 10/2018 YEAR: 2018 DOI: 10.3847/1538-4357/aade04 Parker Data Used; magnetohydrodynamics: MHD; planets and satellites: magnetic fields; plasmas; Solar wind; turbulence; Physics - Space Physics |
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Solar Wind Turbulence Studies Using MMS Fast Plasma Investigation Data Bandyopadhyay, Riddhi; Chasapis, A.; Chhiber, R.; Parashar, T.~N.; Maruca, B.~A.; Matthaeus, W.~H.; Schwartz, S.~J.; Eriksson, S.; Le Contel, O.; Breuillard, H.; Burch, J.~L.; Moore, T.~E.; Pollock, C.~J.; Giles, B.~L.; Paterson, W.~R.; Dorelli, J.; Gershman, D.~J.; Torbert, R.~B.; Russell, C.~T.; Strangeway, R.~J.; Published by: \apj Published on: 10/2018 YEAR: 2018 DOI: 10.3847/1538-4357/aade93 Parker Data Used; magnetohydrodynamics: MHD; methods: data analysis; methods: statistical; plasmas; Solar wind; turbulence; Physics - Space Physics |
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Usmanov, Arcadi; Matthaeus, William; Goldstein, Melvyn; Chhiber, Rohit; Published by: \apj Published on: 09/2018 YEAR: 2018 DOI: 10.3847/1538-4357/aad687 Parker Data Used; magnetohydrodynamics: MHD; methods: numerical; Solar wind; Sun: corona; Sun: rotation; turbulence |
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Dependence of Kinetic Plasma Turbulence on Plasma \ensuremath\beta Parashar, Tulasi; Matthaeus, William; Shay, Michael; Published by: \apjl Published on: 09/2018 YEAR: 2018 DOI: 10.3847/2041-8213/aadb8b Parker Data Used; plasmas; Solar wind; turbulence; Physics - Space Physics; Astrophysics - Astrophysics of Galaxies; Physics - Plasma Physics |
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Subresolution activity in solar and stellar coronae from magnetic field line tangling Rappazzo, A.~F.; Dahlburg, R.~B.; Einaudi, G.; Velli, M.; Published by: \mnras Published on: 08/2018 YEAR: 2018 DOI: 10.1093/mnras/sty1132 Parker Data Used; MHD; turbulence; stars: activity; stars: coronae; stars: magnetic field; stars: solar-type; Astrophysics - Solar and Stellar Astrophysics |
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Chhiber, Rohit; Usmanov, Arcadi; DeForest, Craig; Matthaeus, William; Parashar, Tulasi; Goldstein, Melvyn; Published by: \apjl Published on: 04/2018 YEAR: 2018 DOI: 10.3847/2041-8213/aab843 Parker Data Used; magnetohydrodynamics: MHD; Solar wind; Sun: corona; turbulence |
| 2017 |
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Test Particle Energization and the Anisotropic Effects of Dynamical MHD Turbulence alez, C.~A.; Dmitruk, P.; Mininni, P.~D.; Matthaeus, W.~H.; Published by: \apj Published on: 11/2017 YEAR: 2017 DOI: 10.3847/1538-4357/aa8c02 Parker Data Used; acceleration of particles; magnetohydrodynamics: MHD; turbulence; Physics - Plasma Physics; Physics - Space Physics |
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A Zone of Preferential Ion Heating Extends Tens of Solar Radii from the Sun The extreme temperatures and nonthermal nature of the solar corona and solar wind arise from an unidentified physical mechanism that preferentially heats certain ion species relative to others. Spectroscopic indicators of unequal temperatures commence within a fraction of a solar radius above the surface of the Sun, but the outer reach of this mechanism has yet to be determined. Here we present an empirical procedure for combining interplanetary solar wind measurements and a modeled energy equation including Coulomb relax ... Kasper, J.; Klein, K.; Weber, T.; Maksimovic, M.; Zaslavsky, A.; Bale, S.; Maruca, B.; Stevens, M.; Case, A.; Published by: The Astrophysical Journal Published on: 11/2017 YEAR: 2017 DOI: 10.3847/1538-4357/aa84b1 acceleration of particles; Astrophysics - Solar and Stellar Astrophysics; magnetic fields; parker solar probe; Physics - Plasma Physics; Physics - Space Physics; plasmas; Solar Probe Plus; Solar wind; Sun: corona; turbulence |
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Coronal Heating Topology: The Interplay of Current Sheets and Magnetic Field Lines Rappazzo, A.~F.; Matthaeus, W.~H.; Ruffolo, D.; Velli, M.; Servidio, S.; Published by: \apj Published on: 07/2017 YEAR: 2017 DOI: 10.3847/1538-4357/aa79f2 Parker Data Used; magnetohydrodynamics: MHD; Solar wind; Sun: activity; Sun: corona; Sun: magnetic fields; turbulence; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics |
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Published by: \apj Published on: 07/2017 YEAR: 2017 DOI: 10.3847/1538-4357/aa71b9 Parker Data Used; magnetohydrodynamics: MHD; methods: numerical; Solar wind; Sun: heliosphere; turbulence; waves; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics |
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Chhiber, R.; Subedi, P.; Usmanov, A.~V.; Matthaeus, W.~H.; Ruffolo, D.; Goldstein, M.~L.; Parashar, T.~N.; Published by: \apjs Published on: 06/2017 YEAR: 2017 DOI: 10.3847/1538-4365/aa74d2 Parker Data Used; cosmic rays; diffusion; methods: numerical; Solar wind; turbulence; Physics - Space Physics |
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Turbulent Transport in a Three-dimensional Solar Wind Shiota, D.; Zank, G.~P.; Adhikari, L.; Hunana, P.; Telloni, D.; Bruno, R.; Published by: \apj Published on: 03/2017 YEAR: 2017 DOI: 10.3847/1538-4357/aa60bc Parker Data Used; magnetohydrodynamics: MHD; Solar wind; turbulence |
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Charged Particle Diffusion in Isotropic Random Magnetic Fields Subedi, P.; Sonsrettee, W.; Blasi, P.; Ruffolo, D.; Matthaeus, W.~H.; Montgomery, D.; Chuychai, P.; Dmitruk, P.; Wan, M.; Parashar, T.~N.; Chhiber, R.; Published by: \apj Published on: 03/2017 YEAR: 2017 DOI: 10.3847/1538-4357/aa603a Parker Data Used; astroparticle physics; cosmic rays; diffusion; magnetic fields; scattering; turbulence; Physics - Space Physics; Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Solar and Stellar Astrophysics |
| 2016 |
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Closed-field Coronal Heating Driven by Wave Turbulence Downs, Cooper; Lionello, Roberto; c, Zoran; Linker, Jon; Velli, Marco; Published by: \apj Published on: 12/2016 YEAR: 2016 DOI: 10.3847/0004-637X/832/2/180 Parker Data Used; magnetohydrodynamics: MHD; Sun: corona; Sun: magnetic fields; turbulence; Astrophysics - Solar and Stellar Astrophysics |
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Tooprakai, P.; Seripienlert, A.; Ruffolo, D.; Chuychai, P.; Matthaeus, W.~H.; Published by: \apj Published on: 11/2016 YEAR: 2016 DOI: 10.3847/0004-637X/831/2/195 Parker Data Used; magnetic fields; Solar wind; Sun: particle emission; turbulence |
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Propinquity of Current and Vortex Structures: Effects on Collisionless Plasma Heating Parashar, Tulasi; Matthaeus, William; Published by: \apj Published on: 11/2016 YEAR: 2016 DOI: 10.3847/0004-637X/832/1/57 Parker Data Used; plasmas; Solar wind; Sun: heliosphere; turbulence; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics |
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Turbulence and Proton-Electron Heating in Kinetic Plasma Matthaeus, William; Parashar, Tulasi; Wan, Minping; Wu, P.; Published by: \apjl Published on: 08/2016 YEAR: 2016 DOI: 10.3847/2041-8205/827/1/L7 Parker Data Used; galaxies: ISM; ISM: kinematics and dynamics; plasmas; solar─terrestrial relations; Solar wind; turbulence |
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Magnetic Field Line Random Walk in Isotropic Turbulence with Varying Mean Field Sonsrettee, W.; Subedi, P.; Ruffolo, D.; Matthaeus, W.~H.; Snodin, A.~P.; Wongpan, P.; Chuychai, P.; Rowlands, G.; Vyas, S.; Published by: \apjs Published on: 08/2016 YEAR: 2016 DOI: 10.3847/0067-0049/225/2/20 |
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MEASURING COLLISIONLESS DAMPING IN HELIOSPHERIC PLASMAS USING FIELD\textendashPARTICLE CORRELATIONS An innovative field-particle correlation technique is proposed that uses single-point measurements of the electromagnetic fields and particle velocity distribution functions to investigate the net transfer of energy from fields to particles associated with the collisionless damping of turbulent fluctuations in weakly collisional plasmas, such as the solar wind. In addition to providing a direct estimate of the local rate of energy transfer between fields and particles, it provides vital new information about the distribut ... Published by: The Astrophysical Journal Published on: 08/2016 YEAR: 2016 DOI: 10.3847/2041-8205/826/2/L30 Astrophysics - Solar and Stellar Astrophysics; parker solar probe; Physics - Plasma Physics; Physics - Space Physics; plasmas; Solar Probe Plus; Solar wind; turbulence; waves |
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Variance anisotropy in compressible 3-D MHD Oughton, S.; Matthaeus, W.~H.; Wan, Minping; Parashar, Tulasi; Published by: Journal of Geophysical Research (Space Physics) Published on: 06/2016 YEAR: 2016 DOI: 10.1002/2016JA022496 |
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