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Found 6 entries in the Bibliography.
Showing entries from 1 through 6
| 2022 |
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In Situ Signature of Cyclotron Resonant Heating in the Solar Wind Bowen, Trevor; Chandran, Benjamin; Squire, Jonathan; Bale, Stuart; Duan, Die; Klein, Kristopher; Larson, Davin; Mallet, Alfred; McManus, Michael; Meyrand, Romain; Verniero, Jaye; Woodham, Lloyd; Published by: \prl Published on: oct YEAR: 2022 DOI: 10.1103/PhysRevLett.129.165101 |
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Cross-scale Correlations in Imbalanced Solar Wind Turbulence: Parker Solar Probe Observations Zhao, G.~Q.; Meyrand, R.; Feng, H.~Q.; Wu, D.~J.; Kasper, J.~C.; Published by: \apj Published on: oct YEAR: 2022 DOI: 10.3847/1538-4357/ac9380 Parker Data Used; Solar wind; interplanetary turbulence; Solar coronal heating; Space plasmas; Plasma physics; 1534; 830; 1989; 1544; 2089 |
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Switchbacks-abrupt reversals of the magnetic field within the solar wind-have been ubiquitously observed by Parker Solar Probe (PSP). Their origin, whether from processes near the solar surface or within the solar wind itself, remains under debate and likely has key implications for solar wind heating and acceleration. Here, using three-dimensional expanding box simulations, we examine the properties of switchbacks arising from the evolution of outwards-propagating Alfv\ en waves in the expanding solar wind in detail. Our go ... Johnston, Zade; Squire, Jonathan; Mallet, Alfred; Meyrand, Romain; Published by: Physics of Plasmas Published on: jul YEAR: 2022 DOI: 10.1063/5.0097983 Parker Data Used; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics |
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Switchbacks — abrupt reversals of the magnetic field within the solar wind — have been ubiquitously observed by Parker Solar Probe (PSP). Their origin, whether from processes near the solar surface or within the solar wind itself, remains under debate, and likely has key implications for solar wind heating and acceleration. Here, using three-dimensional expanding box simulations, we examine the properties of switchbacks arising from the evolution of outwards-propagating Alfv\ en waves in the expanding solar wind ... Johnston, Zade; Squire, Jonathan; Mallet, Alfred; Meyrand, Romain; Published by: Physics of Plasmas Published on: dec YEAR: 2022 DOI: 10.1063/5.0133296 Parker Data Used; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics |
| 2021 |
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On the violation of the zeroth law of turbulence in space plasmas The zeroth law of turbulence states that, for fixed energy input into large-scale motions, the statistical steady state of a turbulent system is independent of microphysical dissipation properties. This behaviour, which is fundamental to nearly all fluid-like systems from industrial processes to galaxies, occurs because nonlinear processes generate smaller and smaller scales in the flow, until the dissipation - no matter how small - can thermalise the energy input. Using direct numerical simulations and theoretical arguments ... Meyrand, R.; Squire, J.; Schekochihin, A.; Dorland, W.; Published by: Journal of Plasma Physics Published on: 05/2021 YEAR: 2021 DOI: 10.1017/S0022377821000489 space plasma physics; astrophysical plasmas; plasma nonlinear phenomena; Physics - Space Physics; Astrophysics - Solar and Stellar Astrophysics; Nonlinear Sciences - Chaotic Dynamics; Physics - Plasma Physics; Parker Data Used |
| 2020 |
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In-situ Switchback Formation in the Expanding Solar Wind Recent near-Sun solar-wind observations from Parker Solar Probe have found a highly dynamic magnetic environment, permeated by abrupt radial-field reversals, or "switchbacks." We show that many features of the observed turbulence are reproduced by a spectrum of Alfv\ enic fluctuations advected by a radially expanding flow. Starting from simple superpositions of low-amplitude outward-propagating waves, our expanding-box compressible magnetohydrodynamic simulations naturally develop switchbacks because (i) the normalized am ... Squire, J.; Chandran, B.; Meyrand, R.; Published by: The Astrophysical Journal Published on: 03/2020 YEAR: 2020 DOI: 10.3847/2041-8213/ab74e1 Astrophysics - Solar and Stellar Astrophysics; Parker Data Used; parker solar probe; Physics - Plasma Physics; Physics - Space Physics; Solar Probe Plus |
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