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Akademický článek

Scalings for the Alfvén-cyclotron instability in a bi-kappa plasma

Autor: YueQun Lou, Xing Cao, MingYu Wu, BinBin Ni, TieLong Zhang

Publikováno v: Earth and Planetary Physics, Vol 7, Iss 6, Pp 631-639 (2023)

The particle velocity distribution in space plasma usually exhibits a non-Maxwellian high-energy tail that can be well modeled by kappa distributions. In this study, we focus on the growth rates of the Alfvén-cyclotron instability driven by ion temp

Externí odkaz: https://doaj.org/article/88819fd3d7e346879b34e06c5e436b0b

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Akademický článek

Formation of Electron Butterfly Pitch Angle Distributions in Saturn's Magnetosphere Due To Scattering by Equatorial ECH Waves

Autor: Minyi Long, Xing Cao, Binbin Ni, Yuequn Lou, Zhonghua Yao, Elias Roussos, Tianshu Qin, Siyuan Wu

Publikováno v: Geophysical Research Letters, Vol 50, Iss 19, Pp n/a-n/a (2023)

Abstract The features of electron pitch angle distributions (PADs) often imply different physical mechanisms in planetary magnetospheres. We report a simultaneous equatorial electrostatic electron cyclotron harmonic (ECH) wave event with butterfly PA

Externí odkaz: https://doaj.org/article/088ab68d3e0e49d797ea3acfe8d0ce36

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Akademický článek

Simultaneous occurrence of four magnetospheric wave modes and the resultant combined scattering effect on radiation belt electrons

Autor: YiWen Zhao, Zheng Xiang, XuDong Gu, BinBin Ni, Xin Ma, YueQun Lou, LuHuai Jiao, RuoXian Zhou, DeYu Guo, YangXiZi Liu, JunHu Dong

Publikováno v: Earth and Planetary Physics, Vol 6, Iss 6, Pp 563-575 (2022)

We report a representative concurrent event of four wave modes at L ≈ 5.0, including electrostatic electron cyclotron harmonic (ECH) waves, exohiss, magnetosonic (MS) waves, and electromagnetic ion cyclotron (EMIC) waves, based on the observations

Externí odkaz: https://doaj.org/article/292d461c1c0e41d9b36d5343e5ac3896

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Akademický článek

Excitation of Saturnian ECH Waves Within Remote Plasma Injections: Cassini Observations

Autor: Minyi Long, Xing Cao, Xudong Gu, Binbin Ni, Shaojie Qu, Yuequn Lou, Hairong Lai, Shengyi Ye, Siyuan Wu, Yiwen Zhao

Publikováno v: Geophysical Research Letters, Vol 50, Iss 5, Pp n/a-n/a (2023)

Abstract Based on Cassini observations, we report representative electrostatic electron cyclotron harmonic (ECH) wave events observed in Saturn's magnetosphere within remote plasma injections. Unlike local injections, remote injections are “older�

Externí odkaz: https://doaj.org/article/65408f6e501d4e4892507109040d7136

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Akademický článek

Statistical Analysis of Lunar 1 Hz Waves Using ARTEMIS Observations

Autor: Yuequn Lou, Xudong Gu, Xing Cao, Mingyu Wu, Sudong Xiao, Guoqiang Wang, Binbin Ni, Tielong Zhang

Publikováno v: The Astrophysical Journal, Vol 943, Iss 1, p 17 (2023)

Like 1 Hz waves occurring in the upstream of various celestial bodies in the solar system, 1 Hz narrowband whistler-mode waves are often observed around the Moon. However, wave properties have not been thoroughly investigated, which makes it difficul

Externí odkaz: https://doaj.org/article/e32bcd573bf745ee838c13be4f934d21

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