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Kinetic Interaction of Cold and Hot Protons With an Oblique EMIC Wave Near the Dayside Reconnecting Magnetopause

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Kinetic Interaction of Cold and Hot Protons With an Oblique EMIC Wave Near the Dayside Reconnecting Magnetopause

dc.contributor.author	Toledo-Redondo, Sergio
dc.contributor.author	Lee, Justin H.
dc.contributor.author	Vines, Sarah K.
dc.contributor.author	Turner, D. L.
dc.contributor.author	Allen, Robert C.
dc.contributor.author	André, Mats
dc.contributor.author	Boardsen, S. A.
dc.contributor.author	Burch, J. L.
dc.contributor.author	Denton, R. E.
dc.contributor.author	Fu, H. S.
dc.contributor.author	Fuselier, S. A.
dc.contributor.author	Gershman, D. J.
dc.contributor.author	Giles, B.
dc.contributor.author	Graham, D. B.
dc.contributor.author	Kitamura, N.
dc.contributor.author	Khotyaintsev, Yu. V.
dc.contributor.author	Lavraud, B.
dc.contributor.author	Le Contel, O.
dc.contributor.author	Li, W. Y.
dc.contributor.author	Moore, T. E.
dc.contributor.author	Navarro Camba, Enrique Antonio
dc.contributor.author	Portí, Jorge A.
dc.contributor.author	Salinas, Alfonso
dc.contributor.author	Vinas, Adolfo F.
dc.date.accessioned	2021-10-25T14:01:03Z
dc.date.available	2021-10-25T14:01:03Z
dc.date.issued	2021
dc.identifier.citation	Toledo-Redondo, Sergio Lee, Justin H. Vines, Sarah K. Turner, D. L. Allen, Robert C. André, Mats Boardsen, S. A. Burch, J. L. Denton, R. E. Fu, H. S. Fuselier, S. A. Gershman, D. J. Giles, B. Graham, D. B. Kitamura, N. Khotyaintsev, Yu. V. Lavraud, B. Le Contel, O. Li, W. Y. Moore, T. E. Navarro Camba, Enrique Antonio Portí, Jorge A. Salinas, Alfonso Vinas, Adolfo F. 2021 Kinetic Interaction of Cold and Hot Protons With an Oblique EMIC Wave Near the Dayside Reconnecting Magnetopause Geophysical Research Letters 48 8 e2021GL092376
dc.identifier.uri	https://hdl.handle.net/10550/80579
dc.description.abstract	We report observations of the ion dynamics inside an Alfvén branch wave that propagates near the reconnecting dayside magnetopause. The measured frequency, wave normal angle and polarization are consistent with the predictions of a dispersion solver. The magnetospheric plasma contains hot protons (keV), cold protons (eV), plus some heavy ions. While the cold protons follow the magnetic field fluctuations and remain frozen-in, the hot protons are at the limit of magnetization. The cold protons exchange energy back and forth, adiabatically, with the wave fields. The cold proton velocity fluctuations contribute to balance the Hall term fluctuations in Ohm's law, and the wave E field has small ellipticity and right-handed polarization. The dispersion solver indicates that increasing the cold proton density facilitates propagation and amplification of these waves at oblique angles, as for the observed wave.
dc.language.iso	eng
dc.relation.ispartof	Geophysical Research Letters, 2021, vol. 48, num. 8, p. e2021GL092376
dc.subject	Ones
dc.subject	Plasma (Gasos ionitzats)
dc.subject	Geofísica
dc.title	Kinetic Interaction of Cold and Hot Protons With an Oblique EMIC Wave Near the Dayside Reconnecting Magnetopause
dc.type	journal article	es_ES
dc.date.updated	2021-10-25T14:01:03Z
dc.identifier.doi	10.1029/2021GL092376
dc.identifier.idgrec	148382
dc.rights.accessRights	open access	es_ES