On heating of solar wind protons by the parametric decay of large-amplitude Alfvén waves

Horia Comisel; Yasuhiro Nariyuki; Yasuhito Narita; Uwe Motschmann

doi:10.5194/angeo-36-1647-2018

On heating of solar wind protons by the parametric decay of large-amplitude Alfvén waves

Horia Comisel^*, Yasuhiro Nariyuki, Yasuhito Narita, Uwe Motschmann

^*Corresponding author for this work

Joint Institute of Teacher Education

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

By three-dimensional hybrid simulations, proton heating is investigated starting from a monochromatic large-amplitude Alfvén wave with left-handed circular polarization launched along the mean magnetic field in a low-beta plasma. We find that the perpendicular scattering is efficient in three dimensions and the protons are heated by the obliquely propagating waves. The thermal core proton population is heated in three dimensions as well in the longitudinal and parallel directions by the field-aligned and obliquely propagating sound waves out of the parametric decay. The astrophysical context is discussed.

Original language	English
Pages (from-to)	1647-1655
Number of pages	9
Journal	Annales Geophysicae
Volume	36
Issue number	6
DOIs	https://doi.org/10.5194/angeo-36-1647-2018
State	Published - 2018/12/13

ASJC Scopus subject areas

Astronomy and Astrophysics
Geology
Atmospheric Science
Earth and Planetary Sciences (miscellaneous)
Space and Planetary Science

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title = "On heating of solar wind protons by the parametric decay of large-amplitude Alfv{\'e}n waves",

abstract = "By three-dimensional hybrid simulations, proton heating is investigated starting from a monochromatic large-amplitude Alfv{\'e}n wave with left-handed circular polarization launched along the mean magnetic field in a low-beta plasma. We find that the perpendicular scattering is efficient in three dimensions and the protons are heated by the obliquely propagating waves. The thermal core proton population is heated in three dimensions as well in the longitudinal and parallel directions by the field-aligned and obliquely propagating sound waves out of the parametric decay. The astrophysical context is discussed.",

author = "Horia Comisel and Yasuhiro Nariyuki and Yasuhito Narita and Uwe Motschmann",

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T1 - On heating of solar wind protons by the parametric decay of large-amplitude Alfvén waves

AU - Comisel, Horia

AU - Nariyuki, Yasuhiro

AU - Narita, Yasuhito

AU - Motschmann, Uwe

PY - 2018/12/13

Y1 - 2018/12/13

N2 - By three-dimensional hybrid simulations, proton heating is investigated starting from a monochromatic large-amplitude Alfvén wave with left-handed circular polarization launched along the mean magnetic field in a low-beta plasma. We find that the perpendicular scattering is efficient in three dimensions and the protons are heated by the obliquely propagating waves. The thermal core proton population is heated in three dimensions as well in the longitudinal and parallel directions by the field-aligned and obliquely propagating sound waves out of the parametric decay. The astrophysical context is discussed.

AB - By three-dimensional hybrid simulations, proton heating is investigated starting from a monochromatic large-amplitude Alfvén wave with left-handed circular polarization launched along the mean magnetic field in a low-beta plasma. We find that the perpendicular scattering is efficient in three dimensions and the protons are heated by the obliquely propagating waves. The thermal core proton population is heated in three dimensions as well in the longitudinal and parallel directions by the field-aligned and obliquely propagating sound waves out of the parametric decay. The astrophysical context is discussed.

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ER -

On heating of solar wind protons by the parametric decay of large-amplitude Alfvén waves

Abstract

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