{"id":2566,"date":"2022-03-25T17:35:25","date_gmt":"2022-03-25T08:35:25","guid":{"rendered":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/?page_id=2566"},"modified":"2024-10-03T11:25:12","modified_gmt":"2024-10-03T02:25:12","slug":"%e9%9b%bb%e7%a3%81%e6%b0%97%e5%ad%a6%e3%81%ae%e5%9f%ba%e7%a4%8e%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%82%92%e7%90%86%e8%a7%a3%e3%81%99%e3%82%8b%e3%81%9f%e3%82%81%e3%81%ab","status":"publish","type":"page","link":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/%e9%9b%bb%e7%a3%81%e6%b0%97%e5%ad%a6-i\/%e9%9b%bb%e7%a3%81%e6%b0%97%e5%ad%a6%e3%81%ae%e5%9f%ba%e7%a4%8e%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%82%92%e7%90%86%e8%a7%a3%e3%81%99%e3%82%8b%e3%81%9f%e3%82%81%e3%81%ab\/","title":{"rendered":"\u96fb\u78c1\u6c17\u5b66\u306e\u57fa\u790e\u65b9\u7a0b\u5f0f\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b"},"content":{"rendered":"<p><!--more--><\/p>\n<h3 id=\"yui_3_17_2_1_1648197045333_691\">\u96fb\u78c1\u6c17\u5b66\u306e\u57fa\u790e\u65b9\u7a0b\u5f0f<\/h3>\n<p>\u96fb\u78c1\u6c17\u5b66\u306e\u57fa\u790e\u65b9\u7a0b\u5f0f\u3068\u306f\uff0c\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u3067\u3082\u306a\u304f\uff0c\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u3067\u3082\u306a\u304f\uff0c\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u6cd5\u5247\u3068\u304b\uff0c\u8ab0\u3084\u308c\u306e\u53f3\u624b\u306e\u6cd5\u5247\u3068\u304b\u5de6\u624b\u306e\u6cd5\u5247\u3068\u304b\u3067\u306a\u304f\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u3067\u3042\u308b\u3002<\/p>\n<p>\\begin{eqnarray}<br \/>\n\\nabla\\cdot \\boldsymbol{D} &amp;=&amp; \\rho \\tag{1}\\\\<br \/>\n\\nabla\\cdot\\boldsymbol{B} &amp;=&amp; 0 \\tag{2}\\\\<br \/>\n\\nabla\\times\\boldsymbol{E} + \\frac{\\partial \\boldsymbol{B}}{\\partial t} &amp;=&amp; 0 \\tag{3}\\\\<br \/>\n\\nabla\\times\\boldsymbol{H} &#8211; \\frac{\\partial \\boldsymbol{D}}{\\partial t} &amp;=&amp; \\boldsymbol{J} \\tag{4}<br \/>\n\\end{eqnarray}<\/p>\n<p>\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u306f\uff0c\u5fae\u5206\uff0c\u504f\u5fae\u5206\uff0c\u30d9\u30af\u30c8\u30eb\u89e3\u6790\uff0c\u3055\u3089\u306b\u306f\u53f3\u8fba\u306b\u73fe\u308c\u308b\u30ae\u30ea\u30b7\u30a2\u6587\u5b57\u306e\u8aad\u307f\u65b9&#8230; \u3068\u3044\u3063\u305f\u6570\u5b66\u7684\u9053\u5177\u7acb\u3066\u3084\u5916\u56fd\u8a9e\uff01\u306e\u7406\u89e3\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u305d\u3053\u3067&#8230;<\/p>\n<h4>\u4eba\u751f\u306b\u306a\u305c\u30d9\u30af\u30c8\u30eb\u304c\u5fc5\u8981\u304b\uff1f<\/h4>\n<p>\u5927\u304d\u3055\u3060\u3051\u3067\u306a\u304f\uff0c\u5927\u304d\u3055\u3068\u5411\u304d\u30fb\u65b9\u5411\u3092\u8868\u3059\u91cf\u3082\u4eba\u751f\u306b\u306f\u5fc5\u8981\u306a\u306e\u3060\u3088\u3068\u3044\u3046\u8a71\u3092\u3057\u307e\u3059\u3002<span style=\"font-family: helvetica, arial, sans-serif;\"><strong>\u30d9\u30af\u30c8\u30eb<\/strong><\/span>\u3068\u306f\u5927\u304d\u3055\u3068\u5411\u304d\u3092\u3082\u3064\u91cf\u3067\u3059\u3002\u305d\u308c\u306b\u5bfe\u3057\u3066\uff0c\u5927\u304d\u3055\u3060\u3051\u3092\u3082\u3064\u91cf\u306e\u3053\u3068\u3092<span style=\"font-family: helvetica, arial, sans-serif;\"><strong>\u30b9\u30ab\u30e9\u30fc<\/strong><\/span>\u3068\u547c\u3076\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u95a2\u9023\u3057\u3066\uff0c\u30d9\u30af\u30c8\u30eb\u306e\u8868\u8a18\u306b\u3064\u3044\u3066\uff0c\u9ad8\u6821\u306e\u6570\u5b66\u3067\u306f\u304a\u305d\u3089\u304f $$ \\vec{E}, \\\u00a0 \\vec{B}, &#8230;$$ \u3053\u306e\u6388\u696d\u3067\u306f\uff0c\u30d9\u30af\u30c8\u30eb\u306f\u6570\u5f0f\u7528\u659c\u4f53\u30d5\u30a9\u30f3\u30c8\u306e\u592a\u6587\u5b57\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304f\u3053\u3068\u306b\u3057\u307e\u3059\u3002$$\\boldsymbol{E}, \\ \\boldsymbol{B}, &#8230;$$<\/p>\n<p id=\"yui_3_17_2_1_1696212709623_665\"><span style=\"font-family: helvetica, arial, sans-serif;\"><strong>\u554f\u984c\uff1a<\/strong><\/span><\/p>\n<p id=\"yui_3_17_2_1_1696212709623_664\">\u82b1\u5b50\u3055\u3093\u304c A \u5730\u70b9\u304b\u308910\u5206\u304b\u3051\u3066 1km \u9032\u307f\uff0cB \u5730\u70b9\u306b\u7740\u3044\u305f\u3002\u6b21\u306b\u305d\u3053\u304b\u3089 5 \u5206\u304b\u3051\u3066 500m \u9032\u307f\uff0cC \u5730\u70b9\u306b\u7740\u3044\u305f\u3002<\/p>\n<ol>\n<li>A \u5730\u70b9\u304b\u3089 C \u5730\u70b9\u307e\u3067\u884c\u304f\u306e\u306b\u304b\u304b\u3063\u305f\u6642\u9593\u306f\uff1f<\/li>\n<li>A \u5730\u70b9\u304b\u3089 C \u5730\u70b9\u307e\u3067\u306e\u8ddd\u96e2\u306f\uff1f<\/li>\n<\/ol>\n<div id=\"yui_3_17_2_1_1696212709623_620\">\u3068\u3044\u3046\u554f\u984c\u306b\u7b54\u3048\u308b\u305f\u3081\u306b\uff0c\u30d9\u30af\u30c8\u30eb\u304c\u5fc5\u8981\uff01<\/div>\n<h4>\u4eba\u751f\u306b\u306a\u305c\u5fae\u5206\u304c\u5fc5\u8981\u304b\uff1f<\/h4>\n<p>\u300c\u30d5\u30a1\u30a4\u30f3\u30de\u30f3\u7269\u7406\u5b66 I \u529b\u5b66\u300d\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u5973\u6027\u30c9\u30e9\u30a4\u30d0\u30fc\u3068\u767d\u30d0\u30a4\u8b66\u5b98\u3068\u306e\u3084\u308a\u3068\u308a\u3092\u4f8b\u306b\uff0c\u4eba\u751f\u306b\u304a\u3051\u308b\u5fae\u5206\u306e\u5fc5\u8981\u6027\u306b\u3064\u3044\u3066\uff08\u300c\u7406\u5de5\u7cfb\u306e\u6570\u5b66B\u300d\u3067\u3084\u3063\u305f\u3053\u3068\u3092\uff09\u5fa9\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<h4>\u4eba\u751f\u306b\u306a\u305c\u300c\u504f\u5fae\u5206\u300d\u304c\u5fc5\u8981\u304b\uff1f<\/h4>\n<p>\u9ad8\u6821\u3067\u7fd2\u3063\u305f\uff0c\u305d\u3057\u3066\u300c\u7406\u5de5\u7cfb\u306e\u6570\u5b66B\u300d\u3067\u3082\u3084\u3063\u305f\u300c\u5fae\u5206\u300d\u306f1\u5909\u6570\u95a2\u6570 \\(f(x)\\) \u306b\u5bfe\u3059\u308b\u5fae\u5206\uff1a<br \/>\n$$\\frac{df}{dx} \\equiv \\lim_{h\\rightarrow 0}\\frac{f(x+h) &#8211; f(x)}{h}$$<\/p>\n<p>\u6211\u3005\u306e\u4f4f\u3080\u4e16\u754c\u306f3\u6b21\u5143\u7a7a\u9593\u3067\u3042\u308a\uff0c\uff08\u30c7\u30ab\u30eb\u30c8\u5ea7\u6a19\u7cfb\u3092\u3068\u308b\u3068\uff09 \\(x, y, z\\) \u306e3\u3064\u306e\u7a7a\u9593\u5ea7\u6a19\uff08\u5909\u6570\uff09\u3067\u8a18\u8ff0\u3055\u308c\u308b\u3002\u307e\u305f\uff0c\u4e00\u822c\u306b\u7269\u7406\u91cf\u306f\u6642\u9593\u3068\u3068\u3082\u306b\u5909\u5316\u3059\u308b\u304b\u3089\uff0c\u6642\u9593\u5ea7\u6a19 \\(t\\) \u306b\u3082\u4f9d\u5b58\u3059\u308b\u3002\u3064\u307e\u308a\uff0c\u6211\u3005\u304c\u96fb\u78c1\u6c17\u5b66\u3067\u6271\u3046\u91cf\u306f \\(f(x, y, z, t)\\) \u306e\u3088\u3046\u306b\u4e00\u822c\u7684\u306b\u306f4\u3064\u306e\u5909\u6570\u306b\u4f9d\u5b58\u3059\u308b\u591a\u5909\u6570\u95a2\u6570\u3067\u3042\u308b\u3002<span style=\"font-family: helvetica, arial, sans-serif;\"><strong>\u591a\u5909\u6570\u95a2\u6570\u306e\u5fae\u5206\u3068\u3057\u3066\u300c\u504f\u5fae\u5206\u300d\u304c\u3042\u308b<\/strong><\/span>\u3002<\/p>\n<p>&#8230; \u306a\u3069\u306e\u3088\u3046\u306a\u6570\u5b66\u7684\u9053\u5177\u7acb\u3066\u306e\u8aac\u660e\u3092\u5148\u306b\u3057\u307e\u3059\u3002\u5168\u3066\u306f\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u3092\u7406\u89e3\u3057\uff0c\u96fb\u78c1\u6c17\u5b66\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3053\u3068\u3060\u3068\u8a00\u3044\u805e\u304b\u305b\u3066\uff0c\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30d9\u30af\u30c8\u30eb\u306e\u66f8\u304d\u65b9\u3068\u30ae\u30ea\u30b7\u30a2\u6587\u5b57\u306e\u8aad\u307f\u65b9<\/h3>\n<a href=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/vector-greek.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"on\">vector-greek<br\/><\/a>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":33,"featured_media":0,"parent":2561,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-2566","page","type-page","status-publish","hentry","nodate","item-wrap"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/pages\/2566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/users\/33"}],"replies":[{"embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/comments?post=2566"}],"version-history":[{"count":7,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/pages\/2566\/revisions"}],"predecessor-version":[{"id":9443,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/pages\/2566\/revisions\/9443"}],"up":[{"embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/pages\/2561"}],"wp:attachment":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/media?parent=2566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}