Zobrazeno 1 - 10
of 21
pro vyhledávání: '"D. P. Hartley"'
Autor:
A. S. Afshari, G. G. Howes, J. R. Shuster, K. G. Klein, D. McGinnis, M. M. Martinović, S. A. Boardsen, C. R. Brown, R. Huang, D. P. Hartley, C. A. Kletzing
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-11 (2024)
Abstract Plasma turbulence plays a key role in space and astrophysical plasma systems, enabling the energy of magnetic fields and plasma flows to be transported to particle kinetic scales at which the turbulence dissipates and heats the plasma. Ident
Externí odkaz:
https://doaj.org/article/f70bd9fc60044fdc9fbfa0775f481e8f
Autor:
J. K. Sandhu, A. W. Degeling, T. Elsden, K. R. Murphy, I. J. Rae, A. N. Wright, D. P. Hartley, A. Smith
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 23, Pp n/a-n/a (2023)
Abstract Field Line Resonances (FLRs) are a critical component in Earth's magnetospheric dynamics, associated with the transfer of energy between Ultra Low Frequency waves and local plasma populations. In this study we investigate how the polarisatio
Externí odkaz:
https://doaj.org/article/a8d7ee373c2a441ca8efcf0e469d2894
Autor:
D. P. Hartley, I. W. Christopher, C. A. Kletzing, W. S. Kurth, O. Santolik, I. Kolmasova, M. R. Argall, N. Ahmadi
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 7, Pp n/a-n/a (2023)
Abstract A sheath impedance model has recently been developed to describe how the variable coupling impedance between the Van Allen Probes instrumentation and the ambient plasma affects both the amplitude and phase of electric field wave measurements
Externí odkaz:
https://doaj.org/article/16d5fbb2389d45648a51d339aa48ca7d
Autor:
J.-F. Ripoll, V. Pierrard, G. S. Cunningham, X. Chu, K. A. Sorathia, D. P. Hartley, S. A. Thaller, V. G. Merkin, G. L. Delzanno, S. De Pascuale, A. Y. Ukhorskiy
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 10 (2023)
This review focusses strictly on existing plasma density models, including ionospheric source models, empirical density models, physics-based and machine-learning density models. This review is framed in the context of radiation belt physics and spac
Externí odkaz:
https://doaj.org/article/9e27abf551b44719b7dfb163e6e73416
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 9 (2022)
In the past decade, many observations of transversely heated low energy protons were reported in the inner magnetosphere. Interestingly, most of the time heated protons were observed along with magnetosonic waves. Due to the strong correlation, it wa
Externí odkaz:
https://doaj.org/article/7b01ad220780479eb78b31628f6e0ff8
Autor:
C. A. Kletzing, J. Bortnik, G. Hospodarsky, W. S. Kurth, O. Santolik, C. W. Smitth, I. W. Christopher, D. P. Hartley, I. Kolmasova, A. Sen Gupta
Publikováno v:
Space Science Reviews. 219
We provide a post-mission assessment of the science and data from the Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) investigation on the NASA Van Allen Probes mission. An overview of important scientific results is pre
Autor:
D. P. Hartley, G. S. Cunningham, J.‐F. Ripoll, D. M. Malaspina, Y. Kasahara, Y. Miyoshi, S. Matsuda, S. Nakamura, F. Tsuchiya, M. Kitahara, A. Kumamoto, I. Shinohara, A. Matsuoka
Publikováno v:
Journal of Geophysical Research: Space Physics. 128
Publikováno v:
Geophysical research letters. 49(9)
Plumes have been identified as an access region for chorus waves to enter the plasmasphere. Here, for the first time, chorus wave properties are parameterized by distance from the plume boundary. Case studies and statistical analysis indicate that th
Publikováno v:
Journal of Geophysical Research: Space Physics. 126
Heliospheric plasma turbulence plays a key role in transferring the energy of large-scale magnetic field and plasma flow fluctuations to smaller scales where the energy can be dissipated, ultimately leading to plasma heating. High-quality measurement