On the Threshold Criterion for Dilutely Pinned Type II Superconductors

• Matsushita Teruo

  Department of Electronics, Kyushu University

• Yamafuji Kaoru

  Department of Electronics, Kyushu University

抄録

The summation problem to get a global pinning force is discussed with a statistical method for a dilutely pinned superconductor. In the present theory, the long-range correlation among local pin-fluxoid interactions is taken into account, while this type of correlation has been disregarded in existing theories. It is shown that the fluxoid lattice can be displaced rather easily, whereas it has a rather large stiffness against a local distortion around each pin as known well. The resultant large compliance of the fluxoid lattice for displacements reduces the threshold level significantly. The present pinning force density obeys the scaling law which has been known as characteristic of a dilutely and weakly pinned case. The elementary pinning strength estimated from observed data by the use of the present theory shows a reasonable value.

収録刊行物

• Ｊｏｕｒｎａｌ　ｏｆ　ｔｈｅ　Ｐｈｙｓｉｃａｌ　Ｓｏｃｉｅｔｙ　ｏｆ　Ｊａｐａｎ

  Ｊｏｕｒｎａｌ　ｏｆ　ｔｈｅ　Ｐｈｙｓｉｃａｌ　Ｓｏｃｉｅｔｙ　ｏｆ　Ｊａｐａｎ 47 (5), 1426-1432, 1979

  一般社団法人 日本物理学会

キーワード

• General Physics and Astronomy

詳細情報

• CRID: 1390282679159503104
• NII論文ID: 210000088123
• NII論文ID: 130003896158
• DOI: 10.1143/jpsj.47.1426
• BIBCODE: 1979JPSJ...47.1426M
• COI: 1:CAS:528:DyaL3cXjt1Ohtw%3D%3D
• ISSN: 13474073
• ISSN: 00319015
• Web Site: https://journals.jps.jp/doi/pdf/10.1143/JPSJ.47.1426
• 本文言語コード: en
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