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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. Proceedings of the Research Institute of Atmospherics, Nagoya University
  4. 27

ON THE CONDITIONS OF TRIGGERING VLF EMISSIONS BY A NATURAL WHISTLER

http://hdl.handle.net/2237/22229
http://hdl.handle.net/2237/22229
1fc1729b-0533-462e-bb6c-a456e75054f4
名前 / ファイル ライセンス アクション
proria_27_31.pdf proria_27_31.pdf (2.6 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2015-06-03
タイトル
タイトル ON THE CONDITIONS OF TRIGGERING VLF EMISSIONS BY A NATURAL WHISTLER
言語 en
著者 YOSHIDA, Toshio

× YOSHIDA, Toshio

WEKO 59271

en YOSHIDA, Toshio

Search repository
OHTSU, Jinsuke

× OHTSU, Jinsuke

WEKO 59272

en OHTSU, Jinsuke

Search repository
HAYAKAWA, Masashi

× HAYAKAWA, Masashi

WEKO 59273

en HAYAKAWA, Masashi

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 The purpose of the present paper is to discuss the conditions of triggering VLF emissions by a natural whistler with variable frequency. The interaction time is defined by using the variation of unperturbed phase angle, which is determined by the spatial inhomogeneity of the medium and the wave frequency variation. Sample calculations of the interaction time are made for frequencies below the nose frequency on L = 4. A comparison of the interaction time with the bunching time has shown that VLF emissions are possibly triggered even by a weak whistler around 3 kHz in a very restricted range of geomagnetic latitude far from the equator in the upstream side of the electron. The study of the phase variations including the finite wave amplitude based on the complete equations of motion has confirmed that the condition that the interaction time exceeds the bunching time would be a threshold for phase bunching of electrons by a whistler, and hence triggering VLF emissions.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 The Research Institute of Atmospherics, Nagoya University
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0077-264X
書誌情報 en : Proceedings of the Research Institute of Atmospherics, Nagoya University

巻 27, p. 31-48, 発行日 1980-03-24
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/22229
識別子タイプ HDL
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