Excitation of chorus with small wave normal angles due to beam pulse amplifier (BPA) mechanism in density ducts

Bespalov, Peter A.; Savina, Olga N.

doi:https://doi.org/10.5194/angeo-37-819-2019

Articles | Volume 37, issue 5

https://doi.org/10.5194/angeo-37-819-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/angeo-37-819-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 37, issue 5

ANGEO Communicates

|

18 Sep 2019

ANGEO Communicates |

| 18 Sep 2019

Excitation of chorus with small wave normal angles due to beam pulse amplifier (BPA) mechanism in density ducts

Peter A. Bespalov and Olga N. Savina

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Final revised paper (published on 18 Sep 2019)
Preprint (discussion started on 17 Jun 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Referee report', Anonymous Referee #1, 21 Jun 2019
- AC1: 'Respond to all referee comments', Peter Bespalov, 26 Jun 2019
SC1: 'Comment to paper untitled “Excitation of chorus with small wave normal angles due to BPA mechanism into density ducts” by Peter A. Bespalov and Olga N. Savina https://doi.org/10.5194/angeo-2019-83', Igor Alekseev, 11 Jul 2019
RC2: 'Referee comment', Anonymous Referee #2, 25 Jul 2019
- AC2: 'Respond to all referee #2 comments', Peter Bespalov, 01 Aug 2019
  - RC3: 'Referee comment', Anonymous Referee #2, 02 Aug 2019
    - AC3: 'Second respond to all referee#2 comments', Peter Bespalov, 19 Aug 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to revisions (further review by editor and referees) (20 Aug 2019) by Wen Li

AR by Peter Bespalov on behalf of the Authors (21 Aug 2019) Author's response Manuscript

ED: Referee Nomination & Report Request started (22 Aug 2019) by Wen Li

RR by Anonymous Referee #1 (23 Aug 2019)

ED: Publish as is (23 Aug 2019) by Wen Li

Short summary

The paper discusses a problem concerned with the excitation of chorus with small wave normal angles along the external magnetic field in the magnetosphere. We examine the realisation of the beam pulse amplifier mechanism of chorus excitation without strong anisotropy of the plasma particle distribution function in the density ducts with refractive reflection. It is shown that in the ducts, discrete spectral elements of chorus can be excited at close to half of the electron cyclotron frequency.