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フルテキストURLKJ00000155850.pdf ( 476.3KB ) 公開日 2010-04-19
タイトルCalculations of Critical Current Densities for Type-II Superconductors (I)
作成者Kobayashi, Yukoh
作成者ヨミコバヤシ, ユウコウ
作成者別表記小林, 佑光
作成者所属山口大学工学部
内容記述(抄録等)In this paper, for mixed state in Type-II superconductors London equation is solved by using normal core model which gives boundary conditions in the same way as Coffey, to obtain the interaction force between a fluxoid and fluxoids lattice. This interaction force that is repulsive is considered pinning force as Coffey has proposed. As loss mechanism normal eddy-current damping and cycloid damping are considered and we get the expressions of viscous coefficient and induced voltage across superconductor, that are rather different from the ones given by Kim, et al. Our expression of voltage across the sample does not equal to ν_LB/c, which is usually adopted in flux flow theory, where ν_L is fluxoid velocity and B magnetic induction. Two forms of critical current density as a function of reduced external magnetic field for a given criterion voltage appeared in sample are found and plotted for various values of parameters. Also discussion is made about voltage induced by fluxoid motion in superconductor.
本文言語eng
著者キーワードGlobal Positioning System
a small low-powered receiver
precision
主題電気電子工学
資料タイプtext
ファイル形式application/pdf
出版者山口大学工学部
出版者ヨミヤマグチ ダイガク コウガクブ
NII資料タイプ紀要論文
ISSN0372-7661
NCIDAN00244228
学内刊行物(紀要等)山口大学工学部研究報告
掲載誌名山口大学工学部研究報告
掲載誌名別表記Memoirs of the Faculty of Engineering, Yamaguchi University
22
1
開始ページ67
終了ページ77
発行日1971
著者版/出版社版出版社版
備考本文データは国立情報学研究所において電子化したものである
リポジトリIDKJ00000155850
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/KJ00000155850