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  Two-band whistler-mode waves excited by an electron bi-Maxwellian distribution plus parallel beams

Chen, H., Sauer, K., Lu, Q., Gao, X., & Wang, S. (2020). Two-band whistler-mode waves excited by an electron bi-Maxwellian distribution plus parallel beams. AIP Advances, 10(12): 125010. doi:10.1063/5.0026220.

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 Creators:
Chen, Huayue, Author
Sauer, K.1, Author           
Lu, Quanming, Author
Gao, Xinliang, Author
Wang, Shaojie, Author
Affiliations:
1MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832291              

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 Abstract: The characteristics of whistler-mode waves excited by temperature anisotropic electrons, whose velocity distribution is a combination of bi-Maxwellian distribution and beam-like shapes, are investigated by both linear theory analysis and particle-in-cell simulation. A frequency gap is formed between two peaks, which is caused by the mode splitting of beam-like electrons. We have further investigated the influences of different parameters and found that the position of beam-like shape is the key parameter in determining the frequency of power gap. Moreover, the beam-like component on one direction will lead to the gap in the spectra of waves propagating in the opposite direction. Our study can shed light on the effects of beam-like electrons on the spectra of whistler-mode waves.

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1063/5.0026220
 Degree: -

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Title: AIP Advances
  Abbreviation : AIP Adv.
Source Genre: Journal
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Publ. Info: Melville, NY, USA : American Institute of Physics
Pages: - Volume / Issue: 10 (12) Sequence Number: 125010 Start / End Page: - Identifier: ISSN: 2158-3226
CoNE: https://pure.mpg.de/cone/journals/resource/21583226