{"id":209439,"date":"2024-03-21T14:08:04","date_gmt":"2024-03-21T14:08:04","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e3%83%ad%e3%83%b3%e3%83%89%e3%83%b3%e6%96%b9%e7%a8%8b%e5%bc%8f-%e6%a6%82%e8%a6%81%e3%81%a8%e7%89%a9%e7%90%86%e5%ad%a6%e3%81%ae%e5%bf%9c%e7%94%a8\/"},"modified":"2024-05-17T15:12:54","modified_gmt":"2024-05-17T15:12:54","slug":"%e3%83%ad%e3%83%b3%e3%83%89%e3%83%b3%e6%96%b9%e7%a8%8b%e5%bc%8f-%e6%a6%82%e8%a6%81%e3%81%a8%e7%89%a9%e7%90%86%e5%ad%a6%e3%81%ae%e5%bf%9c%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e3%83%ad%e3%83%b3%e3%83%89%e3%83%b3%e6%96%b9%e7%a8%8b%e5%bc%8f-%e6%a6%82%e8%a6%81%e3%81%a8%e7%89%a9%e7%90%86%e5%ad%a6%e3%81%ae%e5%bf%9c%e7%94%a8\/","title":{"rendered":"\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f | \u6982\u8981\u3068\u7269\u7406\u5b66\u306e\u5fdc\u7528"},"content":{"rendered":"

\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306f\u8d85\u4f1d\u5c0e\u73fe\u8c61\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u65b9\u7a0b\u5f0f\u3067\u3001\u8d85\u4f1d\u5c0e\u4f53\u5185\u306e\u96fb\u6d41\u5bc6\u5ea6\u3068\u78c1\u5834\u306e\u95a2\u4fc2\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n

\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f | \u6982\u8981\u3068\u7269\u7406\u5b66\u306e\u5fdc\u7528<\/h2>\n

\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306f\u3001\u8d85\u4f1d\u5c0e\u73fe\u8c61\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u65b9\u7a0b\u5f0f\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306e\u57fa\u672c\u6982\u5ff5\u3068\u7269\u7406\u5b66\u304a\u3088\u3073\u5de5\u5b66\u3078\u306e\u5fdc\u7528\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n

\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u3068\u306f\uff1f<\/h2>\n

\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306f\u30011935\u5e74\u306b\u30d5\u30ea\u30c3\u30c4\u30fb\u30ed\u30f3\u30c9\u30f3\u3068\u30cf\u30a4\u30f3\u30c4\u30fb\u30ed\u30f3\u30c9\u30f3\u5144\u5f1f\u306b\u3088\u3063\u3066\u63d0\u5531\u3055\u308c\u307e\u3057\u305f\u3002\u8d85\u4f1d\u5c0e\u4f53\u306e\u5185\u90e8\u3067\u3069\u306e\u3088\u3046\u306b\u96fb\u6d41\u304c\u6d41\u308c\u308b\u304b\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3042\u308a\u3001\u7279\u306b\u8d85\u4f1d\u5c0e\u72b6\u614b\u306b\u304a\u3051\u308b\u96fb\u6d41\u5bc6\u5ea6\u3068\u78c1\u5834\u306e\u95a2\u4fc2\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n

\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306e\u57fa\u672c<\/h2>\n

\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306b\u306f2\u3064\u306e\u4e3b\u8981\u306a\u5f0f\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n

    \n
  1. \\(\\frac{\\partial \\vec{J}}{\\partial t} = \\frac{n_s e^2}{m} \\vec{E}\\)<\/li>\n
  2. \\(\\nabla \\times \\vec{J} = -\\frac{n_s e^2}{m c} \\vec{B}\\)<\/li>\n<\/ol>\n

    \u3053\u3053\u3067\u3001<\/p>\n

      \n
    • \\(\\vec{J}\\) \u306f\u96fb\u6d41\u5bc6\u5ea6<\/li>\n
    • \\(n_s\\) \u306f\u8d85\u4f1d\u5c0e\u96fb\u5b50\u306e\u5bc6\u5ea6<\/li>\n
    • \\(e\\) \u306f\u96fb\u5b50\u306e\u96fb\u8377<\/li>\n
    • \\(m\\) \u306f\u96fb\u5b50\u306e\u8cea\u91cf<\/li>\n
    • \\(\\vec{E}\\) \u306f\u96fb\u5834<\/li>\n
    • \\(\\vec{B}\\) \u306f\u78c1\u5834<\/li>\n
    • \\(c\\) \u306f\u5149\u901f<\/li>\n<\/ul>\n

      \u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306e\u5c0e\u51fa<\/h2>\n

      \u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306f\u3001\u8d85\u4f1d\u5c0e\u4f53\u5185\u90e8\u3067\u306e\u96fb\u5b50\u306e\u52d5\u304d\u3092\u8aac\u660e\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n

      1. \u8d85\u4f1d\u5c0e\u72b6\u614b\u3067\u306f\u62b5\u6297\u304c\u30bc\u30ed\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u96fb\u6d41\u306f\u6e1b\u8870\u3057\u306a\u3044\u3002<\/p>\n

      2. \u30de\u30af\u30b9\u30a6\u30a7\u30eb\u306e\u65b9\u7a0b\u5f0f\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u8d85\u4f1d\u5c0e\u4f53\u5185\u90e8\u3067\u306e\u78c1\u5834\u306e\u632f\u308b\u821e\u3044\u304c\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002<\/p>\n

      \u7269\u7406\u5b66\u3078\u306e\u5fdc\u7528<\/h2>\n

      \u8d85\u4f1d\u5c0e\u73fe\u8c61\u306f\u3001\u4f4e\u6e29\u7269\u7406\u5b66\u306e\u91cd\u8981\u306a\u7814\u7a76\u5bfe\u8c61\u3067\u3042\u308a\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5206\u91ce\u3067\u5fdc\u7528\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n

      \u30de\u30b0\u30cd\u30c3\u30c8\u30fb\u30ec\u30be\u30ca\u30f3\u30b9\u30fb\u30a4\u30e1\u30fc\u30b8\u30f3\u30b0\uff08MRI\uff09<\/h3>\n

      MRI\u88c5\u7f6e\u306f\u5f37\u529b\u306a\u78c1\u5834\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u3001\u8d85\u4f1d\u5c0e\u78c1\u77f3\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u78c1\u77f3\u306f\u3001\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306b\u57fa\u3065\u3044\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

      \u8d85\u4f1d\u5c0e\u91cf\u5b50\u5e72\u6e09\u8a08\uff08SQUID\uff09<\/h3>\n

      SQUID\u306f\u975e\u5e38\u306b\u9ad8\u611f\u5ea6\u306a\u78c1\u6c17\u30bb\u30f3\u30b5\u30fc\u3067\u3042\u308a\u3001\u8d85\u4f1d\u5c0e\u56de\u8def\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5730\u78c1\u6c17\u306e\u5909\u52d5\u3084\u8133\u6ce2\u306e\u6e2c\u5b9a\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002<\/p>\n

      \u5de5\u5b66\u3078\u306e\u5fdc\u7528<\/h2>\n

      \u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306f\u3001\u5de5\u5b66\u5206\u91ce\u306b\u304a\u3044\u3066\u3082\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u305d\u306e\u5177\u4f53\u4f8b\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\n

      \u8d85\u4f1d\u5c0e\u9001\u96fb<\/h3>\n

      \u8d85\u4f1d\u5c0e\u4f53\u306f\u96fb\u6c17\u62b5\u6297\u304c\u30bc\u30ed\u3067\u3042\u308b\u305f\u3081\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u640d\u5931\u306a\u304f\u9577\u8ddd\u96e2\u306e\u96fb\u529b\u9001\u96fb\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u304c\u98db\u8e8d\u7684\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n

      \u78c1\u6c17\u6d6e\u4e0a\u9244\u9053\uff08\u30ea\u30cb\u30a2\u30e2\u30fc\u30bf\u30fc\u30ab\u30fc\uff09<\/h3>\n

      \u30ea\u30cb\u30a2\u30e2\u30fc\u30bf\u30fc\u30ab\u30fc\u306f\u8d85\u4f1d\u5c0e\u78c1\u77f3\u3092\u4f7f\u7528\u3057\u3066\u8eca\u4e21\u3092\u6d6e\u4e0a\u3055\u305b\u3001\u6469\u64e6\u3092\u6e1b\u5c11\u3055\u305b\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u9ad8\u901f\u79fb\u52d5\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

      \u307e\u3068\u3081<\/h2>\n

      \u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306f\u3001\u8d85\u4f1d\u5c0e\u73fe\u8c61\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u3053\u306e\u65b9\u7a0b\u5f0f\u306b\u3088\u308a\u3001\u8d85\u4f1d\u5c0e\u4f53\u306e\u96fb\u6d41\u5bc6\u5ea6\u3068\u78c1\u5834\u306e\u95a2\u4fc2\u304c\u660e\u78ba\u306b\u3055\u308c\u3001\u591a\u304f\u306e\u7269\u7406\u5b66\u304a\u3088\u3073\u5de5\u5b66\u5206\u91ce\u3067\u5fdc\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001MRI\u3084\u30ea\u30cb\u30a2\u30e2\u30fc\u30bf\u30fc\u30ab\u30fc\u306e\u3088\u3046\u306a\u9769\u65b0\u7684\u6280\u8853\u304c\u73fe\u5b9f\u306e\u3082\u306e\u3068\u306a\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n

      \u4eca\u5f8c\u3082\u3001\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u3092\u57fa\u306b\u3057\u305f\u7814\u7a76\u3068\u958b\u767a\u304c\u9032\u3080\u3053\u3068\u3067\u3001\u3055\u3089\u306a\u308b\u6280\u8853\u9769\u65b0\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306f\u8d85\u4f1d\u5c0e\u73fe\u8c61\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u65b9\u7a0b\u5f0f\u3067\u3001\u8d85\u4f1d\u5c0e\u4f53\u5185\u306e\u96fb\u6d41\u5bc6\u5ea6\u3068\u78c1\u5834\u306e\u95a2\u4fc2\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[96],"tags":[97],"class_list":["post-209439","post","type-post","status-publish","format-standard","hentry","category-96","tag-97","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"\n\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f | \u6982\u8981\u3068\u7269\u7406\u5b66\u306e\u5fdc\u7528<\/title>\n<meta name=\"description\" content=\"\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f\u306f\u8d85\u4f1d\u5c0e\u73fe\u8c61\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u65b9\u7a0b\u5f0f\u3067\u3001\u8d85\u4f1d\u5c0e\u4f53\u5185\u306e\u96fb\u6d41\u5bc6\u5ea6\u3068\u78c1\u5834\u306e\u95a2\u4fc2\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.electricity-magnetism.org\/ja\/%e3%83%ad%e3%83%b3%e3%83%89%e3%83%b3%e6%96%b9%e7%a8%8b%e5%bc%8f-%e6%a6%82%e8%a6%81%e3%81%a8%e7%89%a9%e7%90%86%e5%ad%a6%e3%81%ae%e5%bf%9c%e7%94%a8\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30ed\u30f3\u30c9\u30f3\u65b9\u7a0b\u5f0f | \u6982\u8981\u3068\u7269\u7406\u5b66\u306e\u5fdc\u7528\" \/>\n<meta property=\"og:description\" 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