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William H. Matthaeus
Researcher at University of Delaware
Publications - 546
Citations - 34936
William H. Matthaeus is an academic researcher from University of Delaware. The author has contributed to research in topics: Solar wind & Magnetohydrodynamics. The author has an hindex of 93, co-authored 515 publications receiving 31310 citations. Previous affiliations of William H. Matthaeus include University of Calabria & University of California, Riverside.
Papers
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Journal ArticleDOI
On the Transmission of Turbulent Structures across the Earth’s Bow Shock
Domenico Trotta,F. Pecora,Adriana Settino,Denise Perrone,Heli Hietala,Timothy S. Horbury,William H. Matthaeus,David Burgess,Sergio Servidio,Francesco Valentini +9 more
TL;DR: In this paper , a combination of spacecraft observations and local numerical simulations is used to study the transmission of turbulent structures across the Earth's bow shock, revealing an increase of their magnetic helicity content in its downstream.
Anisotropy in MHD turbulence due to a mean magnetic field
TL;DR: In this paper, the development of anisotropy in an initially isotropic spectrum is studied numerically for two-dimensional magnetohydrodynamic turbulence, due to the combined effects of an externally imposed dc magnetic field and viscous and resistive dissipation at high wave numbers.
Journal ArticleDOI
Energetic particle evolution during coronal mass ejection passage from 0.3 to 1 AU
Colin J. Joyce,D. J. McComas,Nathan A. Schwadron,Nathan A. Schwadron,Angelos Vourlidas,E. R. Christian,Ralph L. McNutt,Christina Cohen,R. A. Leske,R. A. Mewaldt,E. C. Stone,Donald G. Mitchell,Matthew E. Hill,Edmond C. Roelof,Robert Allen,J. R. Szalay,J. S. Rankin,M. I. Desai,M. I. Desai,Joe Giacalone,William H. Matthaeus,J. T. Niehof,W. C. de Wet,Reka M. Winslow,Stuart D. Bale,Stuart D. Bale,Justin C. Kasper +26 more
TL;DR: In this article, a coronal mass ejection (CME) passed over Parker Solar Probe (PSP) on January 20, 2020 when the spacecraft was at just 0.32 AU.
Journal ArticleDOI
Generalized magnetic helicity, large-scale magnetic field, and dynamo saturation
TL;DR: In this paper, it was shown that the overall behavior in these extreme cases, as well as in intermediate cases, can be understood in terms of conservation of a generalized form of magnetic helicity; and a proper separation of scales.
Book ChapterDOI
The Evolution of Magnetic Helicity in Compressible Magnetohydrodynamics with a Mean Magnetic Field
TL;DR: In this article, the authors investigated the evolution of magnetic helicity in the presence of a mean magnetic field and showed that the changes in the evolution from a purely incompressible model to a low Mach number compressible model can be observed.