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第44号 >

Please use this identifier to cite or link to this item: http://hdl.handle.net/11178/4731

Title: 超伝導極細多芯線の交流帯磁率とグレイン・ビーンモデル(電気情報工学科)
Other Titles: AC Susceptibilities in Multifilamentary Wire and Grained Bean Model(DEPARTMENT OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY)
Authors: 湯元, 渉
阿久根, 忠博
坂本, 進洋
YUMOTO, Wataru
AKUNE, Tadahiro
SAKAMOTO, Nobuyoshi
ユモト, ワタル
アクネ, タダヒロ
サカモト, ノブヨシ
九州産業大学工学研究科電気工学専攻 / 九州産業大学電気情報工学科 / 九州産業大学電気情報工学科
Keywords: Multifilamentary wire
Grained Bean model
AC susceptibility
Pinning penetration fields
Issue Date: Dec-2007
Publisher: 九州産業大学工学部
Abstract: Proximity-currents between filaments in a multifilamentary wire show a close resemblance with the inter-grain current in a high-T_c superconductor. The critical current densities of the proximity-induced superconducting matrix J_<cm> can be estimated from measured twist-pitch dependence of magnetization and have been shown to follow the well-known scaling law of the pinning strength. In the grained Bean model, the filaments are immersed in the proximity-induced superconducting matrix. Difference of the superconducting characteristics of the filament, the matrix and the filament content factor give a variety of deformation on the AC susceptibility curves. The computed AC susceptibility curves of multifilamentary wires using the grained Bean model are favorably compared with the experimental results.
URI: http://hdl.handle.net/11178/4731
Appears in Collections:第44号

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