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pro vyhledávání: '"Paterson W"'
Observational Evidence for Stochastic Shock Drift Acceleration of Electrons at the Earth's Bow Shock
Autor:
Amano, T., Katou, T., Kitamura, N., Oka, M., Matsumoto, Y., Hoshino, M., Saito, Y., Yokota, S., Giles, B. L., Paterson, W. R., Russell, C. T., Contel, O. Le, Ergun, R. E., Lindqvist, P. -A., Turner, D. L., Fennell, J. F., Blake, J. B.
Publikováno v:
Phys. Rev. Lett., 124, 065101, 2020
The first-order Fermi acceleration of electrons requires an injection of electrons into a mildly relativistic energy range. However, the mechanism of injection has remained a puzzle both in theory and observation. We present direct evidence for a nov
Externí odkaz:
http://arxiv.org/abs/2002.06787
Autor:
Perri, Silvia, Perrone, D., Yordanova, E., Sorriso-Valvo, L., Paterson, W. R., Gershman, D. J., Giles, B. L., Pollock, C. J., Dorelli, J. C., Avanov, L. A., Lavraud, B., Saito, Y., Nakamura, R., Fischer, D., Baumjohann, W., Plaschke, F., Narita, Y., Magnes, W., Russell, C. T., Strangeway, R. J., Contel, O. Le, Khotyaintsev, Y., Valentini, F.
The degree of deviation from the thermodynamic equilibrium in the ion velocity distribution functions (VDFs), measured by the Magnetospheric Multiscale (MMS) mission in the Earth's turbulent magnetosheath, is quantitatively investigated. Taking advan
Externí odkaz:
http://arxiv.org/abs/1905.09466
Autor:
Gingell, I., Schwartz, S. J., Eastwood, J. P., Stawarz, J. E., Burch, J. L., Ergun, R. E., Fuselier, S., Gershman, D. J., Giles, B. L., Khotyaintsev, Y. V., Lavraud, B., Lindqvist, P. -A., Paterson, W. R., Phan, T. D., Russell, C. T., Strangeway, R. J., Torbert, R. B., Wilder, F.
Using observations of Earth's bow shock by the Magnetospheric Multiscale mission, we show for the first time that active magnetic reconnection is occurring at current sheets embedded within the quasi-parallel shock's transition layer. We observe an e
Externí odkaz:
http://arxiv.org/abs/1901.01076
Autor:
Torbert, R. B., Burch, J. L., Phan, T. D., Hesse, M., Argall, M. R., Shuster, J., Ergun, R. E., Alm, L., Nakamura, R., Genestreti, K., Gershman, D. J., Paterson, W. R., Turner, D. L., Cohen, I., Giles, B. L., Pollock, C. J., Wang, S., Chen, L. -J., Stawarz, Julia, Eastwood, J. P., Hwang, K. - J., Farrugia, C., Dors, I., Vaith, H., Mouikis, C., Ardakani, A., Mauk, B. H., Fuselier, S. A., Russell, C. T., Strangeway, R. J., Moore, T. E., Drake, J. F., Shay, M. A., Khotyaintsev, Yu. V., Lindqvist, P. -A., Baumjohann, W., Wilder, F. D., Ahmadi, N., Dorelli, J. C., Avanov, L. A., Oka, M., Baker, D. N., Fennell, J. F., Blake, J. B., Jaynes, A. N., Contel, O. Le, Petrinec, S. M., Lavraud, B., Saito, Y.
Magnetic reconnection is an energy conversion process important in many astrophysical contexts including the Earth's magnetosphere, where the process can be investigated in-situ. Here we present the first encounter of a reconnection site by NASA's Ma
Externí odkaz:
http://arxiv.org/abs/1809.06932
Autor:
Bandyopadhyay, Riddhi, Chasapis, A., Chhiber, R., Parashar, T. N., Maruca, B. A., Matthaeus, W. H., Schwartz, S. J., Eriksson, S., LeContel, 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.
Studies of solar wind turbulence traditionally employ high-resolution magnetic field data, but high-resolution measurements of ion and electron moments have been possible only recently. We report the first turbulence studies of ion and electron veloc
Externí odkaz:
http://arxiv.org/abs/1807.06140
Autor:
Maruca, Bennett A., Chasapis, A., Gary, S. P., Bandyopadhyay, R., Chhiber, R., Parashar, T. N., Matthaeus, W. H., Shay, M. A., Burch, J. L., Moore, T. E., Pollock, C. J., Giles, B. J., Paterson, W. R., Dorelli, J., Gershman, D. J., Torbert, R. B., Russell, C. T., Strangeway, R. J.
Protons (ionized hydrogen) in the solar wind frequently exhibit distinct temperatures ($T_{\perp p}$ and $T_{\parallel p}$) perpendicular and parallel to the plasma's background magnetic-field. Numerous prior studies of the interplanetary solar-wind
Externí odkaz:
http://arxiv.org/abs/1806.08886
Autor:
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.
Using observational data from the \emph{Magnetospheric Multiscale} (MMS) Mission in the Earth's magnetosheath, we estimate the energy cascade rate using different techniques within the framework of incompressible magnetohydrodynamic (MHD) turbulence.
Externí odkaz:
http://arxiv.org/abs/1806.04275
Autor:
Rager, A. C., Dorelli, J. C., Gershman, D. J., Uritsky, V., Avanov, L. A., Torbert, R. B., Burch, J. L., Ergun, R. E., Egedal, J., Schiff, C., Shuster, J. R., Giles, B. L., Paterson, W. R., Pollock, C. J., Strangeway, R. J., Russell, C. T., Lavraud, B., Coffey, V. N, Saito, Y.
We report Magnetospheric Multiscale observations of electron pressure gradient electric fields near a magnetic reconnection diffusion region using a new technique for extracting 7.5 ms electron moments from the Fast Plasma Investigation. We find that
Externí odkaz:
http://arxiv.org/abs/1706.08435
Autor:
Lapenta, G., Berchem, J., Zhou, M., Walker, R. J., El-Alaoui, M., Goldstein, M. L., Paterson, W. R., Giles, B. L., Pollock, C. J., Russell, C. T., Strangeway, R. J., Ergun, R. E., Khotyaintsev, Y. V., Torbert, R. B., Burch, J. L.
MMS observations recently confirmed that crescent-shaped electron velocity distributions in the plane perpendicular to the magnetic field occur in the electron diffusion region near reconnection sites at Earth's magnetopause. In this paper, we re-exa
Externí odkaz:
http://arxiv.org/abs/1702.03550
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