{"id":3150,"date":"2025-12-28T00:05:07","date_gmt":"2025-12-27T15:05:07","guid":{"rendered":"https:\/\/blog.id774.net\/entry\/?p=3150"},"modified":"2026-08-01T20:38:42","modified_gmt":"2026-08-01T11:38:42","slug":"%e5%85%89%e3%81%ae%e9%80%9f%e5%ba%a6%e3%81%af%e3%81%aa%e3%81%9c%e6%9c%89%e9%99%90%e3%81%aa%e3%81%ae%e3%81%8b","status":"publish","type":"post","link":"https:\/\/harpuia.id774.net\/entry\/2025\/12\/28\/3150\/","title":{"rendered":"\u5149\u306e\u901f\u5ea6\u306f\u306a\u305c\u6709\u9650\u306a\u306e\u304b"},"content":{"rendered":"<p class=\"note\">\u672c\u7a3f\u306f\u524d\u56de\u306e\u300c<a href=\"https:\/\/blog.id774.net\/entry\/2025\/12\/27\/3144\/\">\u6642\u9593\u306f\u3069\u3053\u306b\u3042\u308a\u3001\u300c\u3044\u307e\u300d\u306f\u3069\u3053\u3067\u751f\u307e\u308c\u308b\u306e\u304b<\/a>\u300d\u306b\u7d9a\u304d\u3001\u6709\u9650\u306a\u5149\u901f\u304c\u6642\u9593\u3068\u56e0\u679c\u306b\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u3092\u6271\u3046\u3002<\/p>\n<p>\u5149\u306b\u8cea\u91cf\u304c\u306a\u3044\u306a\u3089\u3001\u7121\u9650\u306e\u901f\u3055\u3067\u9032\u3093\u3067\u3082\u3088\u3055\u305d\u3046\u306b\u898b\u3048\u308b\u3002\u3057\u304b\u3057\u7279\u6b8a\u76f8\u5bfe\u8ad6\u3067\u306f\u3001\u771f\u7a7a\u4e2d\u306e\u5149\u901f \\(c\\) \u306f\u5149\u3060\u3051\u306b\u5c5e\u3059\u308b\u901f\u5ea6\u3067\u306f\u306a\u3044\u3002\u6163\u6027\u7cfb\u3092\u5909\u3048\u3066\u3082\u540c\u3058\u5024\u3092\u4fdd\u3061\u3001\u6642\u523b\u3068\u4f4d\u7f6e\u306e\u5909\u63db\u3001\u7c92\u5b50\u306e\u904b\u52d5\u3001\u56e0\u679c\u95a2\u4fc2\u306e\u5c4a\u304f\u7bc4\u56f2\u3092\u898f\u5b9a\u3059\u308b\u4e0d\u5909\u901f\u5ea6\u3067\u3042\u308b<a href=\"#ref1\">[1]<\/a>\u3002<\/p>\n<p>\u6709\u9650\u306a\u5149\u901f\u304b\u3089\u5c0e\u3051\u308b\u7d50\u8ad6\u306b\u306f\u9650\u754c\u304c\u3042\u308b\u3002\u6709\u9650\u306a\u4e0d\u5909\u901f\u5ea6\u306f\u6642\u7a7a\u306b\u5149\u5186\u9310\u3092\u4e0e\u3048\u3001\u96e2\u308c\u305f\u51fa\u6765\u4e8b\u306e\u56e0\u679c\u9806\u5e8f\u3092\u5236\u7d04\u3059\u308b\u3002\u4e00\u65b9\u3001\u305d\u308c\u3060\u3051\u304b\u3089\u6642\u9593\u305d\u306e\u3082\u306e\u306e\u5b58\u5728\u3001\u904e\u53bb\u304b\u3089\u672a\u6765\u3078\u9032\u3080\u6642\u9593\u306e\u77e2\u3001\u73fe\u5728\u3092\u7d4c\u9a13\u3059\u308b\u610f\u8b58\u3092\u5c0e\u304f\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002\u672c\u7a3f\u306e\u7d50\u8ad6\u306f\u3001\u5149\u901f\u304c\u6642\u9593\u3092\u751f\u307f\u51fa\u3059\u306e\u3067\u306f\u306a\u304f\u3001\u6642\u9593\u3068\u7a7a\u9593\u306e\u95a2\u4fc2\u306b\u56e0\u679c\u7684\u306a\u5883\u754c\u3092\u4e0e\u3048\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3042\u308b\u3002<\/p>\n<hr>\n<h2>1. \u5149\u901f\u306e\u6570\u5024\u3068\u6709\u9650\u6027\u306f\u5225\u306e\u554f\u3044\u3067\u3042\u308b<\/h2>\n<p>\u300c\u306a\u305c\u5149\u901f\u306f 299,792,458 \u30e1\u30fc\u30c8\u30eb\u6bce\u79d2\u306a\u306e\u304b\u300d\u3068\u3044\u3046\u554f\u3044\u3068\u3001\u300c\u306a\u305c\u4e0d\u5909\u901f\u5ea6\u306f\u6709\u9650\u306a\u306e\u304b\u300d\u3068\u3044\u3046\u554f\u3044\u306f\u533a\u5225\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u73fe\u5728\u306e\u56fd\u969b\u5358\u4f4d\u7cfb\u3067\u306f\u3001\u771f\u7a7a\u4e2d\u306e\u5149\u901f\u3092\u6b63\u78ba\u306b 299,792,458 \u30e1\u30fc\u30c8\u30eb\u6bce\u79d2\u3068\u5b9a\u3081\u308b\u3053\u3068\u3067\u30e1\u30fc\u30c8\u30eb\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u308b<a href=\"#ref2\">[2]<\/a>\u3002\u3053\u306e\u5341\u9032\u8868\u8a18\u304c\u6b63\u78ba\u306a\u306e\u306f\u81ea\u7136\u304c\u3053\u306e\u6570\u5b57\u3092\u9078\u3093\u3060\u304b\u3089\u3067\u306f\u306a\u304f\u3001\u79d2\u3068\u30e1\u30fc\u30c8\u30eb\u306e\u5358\u4f4d\u3092\u305d\u306e\u3088\u3046\u306b\u7d50\u3073\u4ed8\u3051\u305f\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n<p>\u7269\u7406\u7684\u306a\u5185\u5bb9\u306f\u3001\u5358\u4f4d\u306b\u4f9d\u5b58\u3059\u308b\u6570\u5024\u3067\u306f\u306a\u304f\u3001\u6163\u6027\u7cfb\u306e\u9593\u3067\u6709\u9650\u306a\u4e0d\u5909\u901f\u5ea6\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u306b\u3042\u308b\u3002\u7279\u6b8a\u76f8\u5bfe\u8ad6\u3067\u306f\u3001\u305d\u306e\u901f\u5ea6\u3092 \\(c\\) \u3068\u66f8\u304f\u3002\u6642\u9593\u3092\u79d2\u3001\u8ddd\u96e2\u3092\u5149\u79d2\u3067\u8868\u305b\u3070 \\(c=1\\) \u3068\u66f8\u3051\u308b\u304c\u3001\u901f\u5ea6\u4e0a\u9650\u304c\u6d88\u3048\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u6642\u9593\u306e\u4e00\u5358\u4f4d\u3068\u7a7a\u9593\u306e\u4e00\u5358\u4f4d\u306e\u63db\u7b97\u95a2\u4fc2\u3092 \\(c\\) \u304c\u4e0e\u3048\u3066\u3044\u308b\u3002<\/p>\n<p>\u7279\u6b8a\u76f8\u5bfe\u8ad6\u306e\u5185\u90e8\u304b\u3089\u3001\u81ea\u7136\u304c\u30ac\u30ea\u30ec\u30a4\u5909\u63db\u3067\u306f\u306a\u304f\u30ed\u30fc\u30ec\u30f3\u30c4\u5909\u63db\u306b\u5f93\u3046\u7a76\u6975\u7684\u306a\u7406\u7531\u307e\u3067\u5c0e\u304f\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002\u6642\u7a7a\u306e\u4e00\u69d8\u6027\u3001\u7a7a\u9593\u306e\u7b49\u65b9\u6027\u3001\u6163\u6027\u7cfb\u306e\u540c\u7b49\u6027\u306a\u3069\u3092\u8ab2\u3059\u3068\u3001\u904b\u52d5\u5b66\u306f\u6709\u9650\u306a\u4e0d\u5909\u901f\u5ea6\u3092\u6301\u3064\u30ed\u30fc\u30ec\u30f3\u30c4\u578b\u3068\u3001\u305d\u306e\u901f\u5ea6\u3092\u7121\u9650\u5927\u306b\u3057\u305f\u30ac\u30ea\u30ec\u30a4\u578b\u306b\u5206\u304b\u308c\u308b\u3002\u3069\u3061\u3089\u304c\u73fe\u5b9f\u3092\u8a18\u8ff0\u3059\u308b\u304b\u3001\u6709\u9650\u5024\u304c\u3044\u304f\u3064\u304b\u306f\u5b9f\u9a13\u306b\u3088\u3063\u3066\u6c7a\u307e\u308b<a href=\"#ref3\">[3]<\/a>\u3002<\/p>\n<p>\u5149\u304c\u7279\u5225\u306a\u306e\u306f\u3001\u771f\u7a7a\u4e2d\u306e\u96fb\u78c1\u6ce2\u304c\u3053\u306e\u4e0d\u5909\u901f\u5ea6\u3067\u4f1d\u308f\u308b\u305f\u3081\u3067\u3042\u308b\u3002\\(c\\) \u306f\u5149\u3068\u3044\u3046\u7269\u4f53\u306b\u3060\u3051\u8a2d\u5b9a\u3055\u308c\u305f\u6700\u9ad8\u901f\u5ea6\u3067\u306f\u306a\u304f\u3001\u6642\u7a7a\u306e\u904b\u52d5\u5b66\u306b\u7d44\u307f\u8fbc\u307e\u308c\u305f\u901f\u5ea6\u3067\u3042\u308a\u3001\u5149\u306f\u305d\u308c\u3092\u5b9f\u73fe\u3059\u308b\u8cea\u91cf\u30bc\u30ed\u306e\u5b58\u5728\u3067\u3042\u308b\u3002<\/p>\n<hr>\n<h2>2. \u8cea\u91cf\u30bc\u30ed\u306f\u7121\u9650\u901f\u5ea6\u3092\u610f\u5473\u3057\u306a\u3044<\/h2>\n<p>\u30cb\u30e5\u30fc\u30c8\u30f3\u529b\u5b66\u3067\u306f\u3001\u540c\u3058\u904b\u52d5\u91cf\u306a\u3089\u8cea\u91cf\u304c\u5c0f\u3055\u3044\u307b\u3069\u901f\u5ea6\u304c\u5927\u304d\u304f\u306a\u308b\u305f\u3081\u3001\u8cea\u91cf\u3092\u30bc\u30ed\u3078\u8fd1\u3065\u3051\u308c\u3070\u901f\u5ea6\u304c\u7121\u9650\u5927\u306b\u306a\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u3002\u3053\u306e\u63a8\u8ad6\u306f\u3001\u904b\u52d5\u91cf\u3092 \\(p=mv\\) \u3068\u3059\u308b\u975e\u76f8\u5bfe\u8ad6\u7684\u306a\u95a2\u4fc2\u3092\u9069\u7528\u7bc4\u56f2\u306e\u5916\u307e\u3067\u5ef6\u9577\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u3002<\/p>\n<p>\u76f8\u5bfe\u8ad6\u7684\u306a\u7c92\u5b50\u3067\u306f\u3001\u30a8\u30cd\u30eb\u30ae\u30fc \\(E\\)\u3001\u904b\u52d5\u91cf \\(p\\)\u3001\u9759\u6b62\u8cea\u91cf \\(m\\) \u306e\u9593\u306b \\(E^2=p^2c^2+m^2c^4\\) \u304c\u6210\u308a\u7acb\u3061\u3001\u7c92\u5b50\u306e\u901f\u5ea6\u306f \\(v=pc^2\/E\\) \u3067\u8868\u3055\u308c\u308b<a href=\"#ref4\">[4]<\/a>\u3002\\(m=0\\) \u304b\u3064 \\(p<br \/>\neq0\\) \u306a\u3089 \\(E=pc\\) \u3067\u3042\u308b\u305f\u3081\u3001\u901f\u5ea6\u306f \\(v=c\\) \u306b\u306a\u308b\u3002\u8cea\u91cf\u30bc\u30ed\u306f\u901f\u5ea6\u306e\u4e0a\u9650\u3092\u53d6\u308a\u6255\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u771f\u7a7a\u4e2d\u3092\u81ea\u7531\u306b\u4f1d\u64ad\u3059\u308b\u72b6\u614b\u3092 \\(c\\) \u306b\u56fa\u5b9a\u3059\u308b\u3002<\/p>\n<p>\u8cea\u91cf\u30bc\u30ed\u306e\u7c92\u5b50\u306b\u306f\u9759\u6b62\u7cfb\u304c\u306a\u3044\u3002\u300c\u9759\u6b62\u3057\u3066\u3044\u305f\u5149\u3092\u52a0\u901f\u3057\u3066 \\(c\\) \u306b\u5230\u9054\u3055\u305b\u308b\u300d\u3068\u3044\u3046\u904e\u7a0b\u306f\u5b9a\u7fa9\u3067\u304d\u306a\u3044\u3002\u53cd\u5bfe\u306b\u3001\u9759\u6b62\u8cea\u91cf\u3092\u6301\u3064\u7c92\u5b50\u306f\u3069\u306e\u6163\u6027\u7cfb\u3067\u3082 \\(c\\) \u672a\u6e80\u3067\u3042\u308a\u3001\\(c\\) \u306b\u8fd1\u3065\u3051\u308b\u307b\u3069\u5fc5\u8981\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u5897\u3048\u308b\u3002\u8cea\u91cf\u306e\u6709\u7121\u306f\u3001\u6642\u7a7a\u306b\u901f\u5ea6\u4e0a\u9650\u3092\u4f5c\u308b\u539f\u56e0\u3067\u306f\u306a\u304f\u3001\u65e2\u306b\u5b58\u5728\u3059\u308b\u30ed\u30fc\u30ec\u30f3\u30c4\u578b\u306e\u904b\u52d5\u5b66\u306e\u4e2d\u3067\u3001\u7c92\u5b50\u304c\u53d6\u308a\u5f97\u308b\u8ecc\u9053\u3092\u5206\u3051\u308b\u3002<\/p>\n<p>\u7269\u8cea\u4e2d\u3067\u5149\u306e\u4f1d\u64ad\u901f\u5ea6\u304c \\(c\\) \u3088\u308a\u9045\u304f\u306a\u308b\u3053\u3068\u3082\u3001\u3053\u306e\u533a\u5225\u3092\u5909\u3048\u306a\u3044\u3002\u5c48\u6298\u7387\u3092\u6301\u3064\u5a92\u8cea\u3067\u306f\u3001\u96fb\u78c1\u5834\u3068\u7269\u8cea\u306e\u76f8\u4e92\u4f5c\u7528\u306b\u3088\u3063\u3066\u6ce2\u675f\u306e\u4f1d\u64ad\u304c\u9045\u308c\u308b\u3002\u7279\u6b8a\u76f8\u5bfe\u8ad6\u3067\u4e0d\u5909\u901f\u5ea6\u3068\u3055\u308c\u308b\u306e\u306f\u3001\u771f\u7a7a\u4e2d\u306e\u5c40\u6240\u7684\u306a\u56e0\u679c\u4f1d\u64ad\u901f\u5ea6\u3067\u3042\u308b\u3002<\/p>\n<hr>\n<h2>3. \u6709\u9650\u306a\u4e0d\u5909\u901f\u5ea6\u306f\u56e0\u679c\u95a2\u4fc2\u306e\u5883\u754c\u3092\u4f5c\u308b<\/h2>\n<p>\u4e8c\u3064\u306e\u51fa\u6765\u4e8b\u306e\u6642\u9593\u5dee\u3092 \\(\\Delta t\\)\u3001\u7a7a\u9593\u5ea7\u6a19\u306e\u5dee\u3092 \\(\\Delta x\\)\u3001\\(\\Delta y\\)\u3001\\(\\Delta z\\) \u3068\u3059\u308b\u3068\u3001\u30df\u30f3\u30b3\u30d5\u30b9\u30ad\u30fc\u6642\u7a7a\u3067\u306f \\(s^2=c^2\\Delta t^2-\\Delta x^2-\\Delta y^2-\\Delta z^2\\) \u304c\u6163\u6027\u7cfb\u306b\u3088\u3089\u305a\u4fdd\u5b58\u3055\u308c\u308b<a href=\"#ref5\">[5]<\/a>\u3002\u3053\u306e\u6642\u7a7a\u9593\u9694\u306e\u7b26\u53f7\u306b\u3088\u3063\u3066\u3001\u4e8c\u3064\u306e\u51fa\u6765\u4e8b\u306f\u6642\u9593\u7684\u3001\u5149\u7684\u3001\u7a7a\u9593\u7684\u306b\u5206\u3051\u3089\u308c\u308b\u3002<\/p>\n<p>\u6642\u9593\u7684\u307e\u305f\u306f\u5149\u7684\u306b\u9694\u305f\u308b\u51fa\u6765\u4e8b\u3067\u306f\u3001\u4e00\u65b9\u304b\u3089\u4ed6\u65b9\u3078 \\(c\\) \u4ee5\u4e0b\u306e\u4fe1\u53f7\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3069\u306e\u6163\u6027\u7cfb\u304b\u3089\u898b\u3066\u3082\u539f\u56e0\u3068\u7d50\u679c\u306e\u9806\u5e8f\u306f\u9006\u8ee2\u3057\u306a\u3044\u3002\u7a7a\u9593\u7684\u306b\u9694\u305f\u308b\u51fa\u6765\u4e8b\u306b\u306f \\(c\\) \u4ee5\u4e0b\u3067\u5f71\u97ff\u3092\u5c4a\u3051\u3089\u308c\u305a\u3001\u3069\u3061\u3089\u304c\u5148\u304b\u306f\u6163\u6027\u7cfb\u306b\u3088\u3063\u3066\u5909\u308f\u308a\u5f97\u308b\u3002\u6709\u9650\u306a \\(c\\) \u306f\u3001\u3069\u306e\u51fa\u6765\u4e8b\u304c\u4e92\u3044\u306b\u56e0\u679c\u95a2\u4fc2\u3092\u6301\u3061\u5f97\u308b\u304b\u3092\u5149\u5186\u9310\u3068\u3057\u3066\u533a\u5207\u308b\u3002<\/p>\n<p>\u3053\u306e\u69cb\u9020\u304c\u5426\u5b9a\u3059\u308b\u306e\u306f\u3001\u96e2\u308c\u305f\u5834\u6240\u306b\u5171\u901a\u3059\u308b\u7d76\u5bfe\u7684\u306a\u540c\u6642\u523b\u3067\u3042\u308b\u3002\u3042\u308b\u6163\u6027\u7cfb\u3067\u540c\u6642\u306b\u8d77\u304d\u305f\u4e8c\u3064\u306e\u51fa\u6765\u4e8b\u304c\u3001\u5225\u306e\u6163\u6027\u7cfb\u3067\u3082\u540c\u6642\u306b\u306a\u308b\u3068\u306f\u9650\u3089\u306a\u3044<a href=\"#ref1\">[1]<\/a>\u3002\u4e16\u754c\u5168\u4f53\u306b\u4e00\u3064\u306e\u300c\u73fe\u5728\u300d\u3092\u5272\u308a\u5f53\u3066\u308b\u4ee3\u308f\u308a\u306b\u3001\u5404\u51fa\u6765\u4e8b\u306b\u306f\u3001\u305d\u3053\u304b\u3089\u5f71\u97ff\u3067\u304d\u308b\u672a\u6765\u3068\u3001\u305d\u3053\u3078\u5f71\u97ff\u3092\u4e0e\u3048\u5f97\u305f\u904e\u53bb\u304c\u5b9a\u307e\u308b\u3002<\/p>\n<p>\u6709\u9650\u5149\u901f\u306e\u610f\u5473\u3092\u300c\u4e16\u754c\u304c\u6bb5\u968e\u7684\u306b\u78ba\u5b9a\u3059\u308b\u300d\u3068\u8868\u73fe\u3059\u308b\u3068\u3001\u7269\u7406\u7684\u306a\u56e0\u679c\u5236\u7d04\u3068\u3001\u4e16\u754c\u304c\u751f\u6210\u3055\u308c\u7d9a\u3051\u308b\u3068\u3044\u3046\u5b58\u5728\u8ad6\u3092\u6df7\u540c\u3059\u308b\u3002\u7279\u6b8a\u76f8\u5bfe\u8ad6\u304c\u793a\u3059\u306e\u306f\u5f71\u97ff\u306e\u5230\u9054\u7bc4\u56f2\u3067\u3042\u308a\u3001\u672a\u6765\u306e\u51fa\u6765\u4e8b\u304c\u307e\u3060\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u3067\u306f\u306a\u3044\u3002\u5149\u5186\u9310\u306f\u56e0\u679c\u69cb\u9020\u3092\u8868\u3059\u304c\u3001\u73fe\u5728\u4e3b\u7fa9\u3084\u6c38\u9060\u4e3b\u7fa9\u306e\u3069\u3061\u3089\u304b\u3092\u5358\u72ec\u3067\u8a3c\u660e\u3057\u306a\u3044\u3002<\/p>\n<hr>\n<h2>4. \u5149\u901f\u3092\u7121\u9650\u5927\u306b\u3057\u3066\u3082\u6642\u9593\u306f\u6d88\u3048\u306a\u3044<\/h2>\n<p>\u30ed\u30fc\u30ec\u30f3\u30c4\u5909\u63db\u3067 \\(c\\) \u3092\u7121\u9650\u5927\u3078\u8fd1\u3065\u3051\u308b\u3068\u3001\u6642\u9593\u5ea7\u6a19\u306f \\(t&#8217;=t\\) \u3068\u306a\u308a\u3001\u30ac\u30ea\u30ec\u30a4\u5909\u63db\u3078\u79fb\u308b<a href=\"#ref3\">[3]<\/a>\u3002\u3053\u306e\u6975\u9650\u3067\u306f\u3001\u96e2\u308c\u305f\u5834\u6240\u306e\u51fa\u6765\u4e8b\u306b\u3082\u6163\u6027\u7cfb\u3092\u8d8a\u3048\u3066\u5171\u901a\u3059\u308b\u540c\u6642\u523b\u3092\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u3002\u5931\u308f\u308c\u308b\u306e\u306f\u6642\u9593\u3067\u306f\u306a\u304f\u3001\u6642\u9593\u3068\u7a7a\u9593\u304c\u76f8\u4e92\u306b\u6df7\u3056\u308b\u30ed\u30fc\u30ec\u30f3\u30c4\u578b\u306e\u69cb\u9020\u3068\u3001\u5149\u5186\u9310\u306b\u3088\u308b\u6709\u9650\u306e\u56e0\u679c\u5883\u754c\u3067\u3042\u308b\u3002<\/p>\n<p>\u5149\u901f\u304c\u7121\u9650\u306a\u3089\u8ddd\u96e2\u304c\u610f\u5473\u3092\u5931\u3044\u3001\u4e16\u754c\u304c\u77ac\u6642\u306b\u5b8c\u7d50\u3059\u308b\u3068\u3044\u3046\u7d50\u8ad6\u306f\u5f37\u3059\u304e\u308b\u3002\u30cb\u30e5\u30fc\u30c8\u30f3\u529b\u5b66\u306b\u3082\u8ddd\u96e2\u3001\u904b\u52d5\u3001\u5909\u5316\u3001\u6642\u9593\u9806\u5e8f\u304c\u3042\u308b\u3002\u3042\u308b\u76f8\u4e92\u4f5c\u7528\u306e\u4f1d\u64ad\u901f\u5ea6\u3092\u7121\u9650\u5927\u3068\u4eee\u5b9a\u3057\u3066\u3082\u3001\u7269\u4f53\u306e\u79fb\u52d5\u3001\u7de9\u548c\u3001\u62e1\u6563\u3001\u53cd\u5fdc\u306a\u3069\u306e\u904e\u7a0b\u307e\u3067\u81ea\u52d5\u7684\u306b\u77ac\u6642\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u3059\u3079\u3066\u304c\u5373\u6642\u306b\u5b8c\u7d50\u3059\u308b\u4e16\u754c\u3092\u5f97\u308b\u306b\u306f\u3001\u5149\u901f\u3060\u3051\u3067\u306a\u304f\u3001\u3042\u3089\u3086\u308b\u52d5\u529b\u5b66\u7684\u306a\u6642\u9593\u5c3a\u5ea6\u3092\u6d88\u3059\u3068\u3044\u3046\u8ffd\u52a0\u6761\u4ef6\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/p>\n<p>\u6709\u9650\u306a \\(c\\) \u304b\u3089\u78ba\u5b9f\u306b\u8a00\u3048\u308b\u306e\u306f\u3001\u7a7a\u9593\u7684\u306b\u96e2\u308c\u305f\u51fa\u6765\u4e8b\u306e\u9593\u306b\u3001\u56e0\u679c\u7684\u306a\u5f71\u97ff\u304c\u5c4a\u304b\u306a\u3044\u9818\u57df\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u8ddd\u96e2\u304c\u3042\u308b\u305f\u3081\u306b\u4f1d\u9054\u304c\u9045\u308c\u308b\u3060\u3051\u3067\u306f\u306a\u3044\u3002\u3069\u306e\u6163\u6027\u7cfb\u304b\u3089\u898b\u3066\u3082\u8d8a\u3048\u3089\u308c\u306a\u3044\u5883\u754c\u304c\u6642\u7a7a\u305d\u306e\u3082\u306e\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u3002<\/p>\n<hr>\n<h2>5. \u6709\u9650\u5149\u901f\u306f\u6642\u9593\u3092\u751f\u3080\u306e\u3067\u306f\u306a\u3044<\/h2>\n<p>\u6709\u9650\u306a\u5149\u901f\u306f\u3001\u51fa\u6765\u4e8b\u306e\u56e0\u679c\u9806\u5e8f\u3068\u5230\u9054\u53ef\u80fd\u6027\u3092\u898f\u5b9a\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u306f\u6642\u9593\u306e\u5411\u304d\u3092\u6c7a\u3081\u306a\u3044\u3002\u7279\u6b8a\u76f8\u5bfe\u8ad6\u306e\u904b\u52d5\u5b66\u306f\u3001\u904e\u53bb\u304b\u3089\u672a\u6765\u3078\u9032\u3080\u5de8\u8996\u7684\u306a\u4e0d\u53ef\u9006\u6027\u3092\u5358\u72ec\u3067\u306f\u8aac\u660e\u3057\u306a\u3044\u3002\u71b1\u529b\u5b66\u7684\u306a\u6642\u9593\u306e\u77e2\u306f\u3001\u6642\u9593\u53cd\u8ee2\u306b\u5bfe\u3057\u3066\u307b\u307c\u5bfe\u79f0\u306a\u5fae\u8996\u7684\u6cd5\u5247\u304b\u3089\u3001\u306a\u305c\u5de8\u8996\u7684\u306a\u4e0d\u53ef\u9006\u904e\u7a0b\u304c\u73fe\u308c\u308b\u304b\u3068\u3044\u3046\u7d71\u8a08\u529b\u5b66\u4e0a\u306e\u554f\u984c\u3067\u3042\u308a\u3001\u4f4e\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u72b6\u614b\u306a\u3069\u306e\u6761\u4ef6\u3092\u5fc5\u8981\u3068\u3059\u308b<a href=\"#ref6\">[6]<\/a>\u3002<\/p>\n<p>\u6642\u9593\u304c\u6d41\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u611f\u3058\u3089\u308c\u308b\u7406\u7531\u3082\u3001\u6709\u9650\u5149\u901f\u304b\u3089\u306f\u5c0e\u3051\u306a\u3044\u3002\u5149\u5186\u9310\u306f\u7269\u7406\u7684\u306a\u51fa\u6765\u4e8b\u306e\u95a2\u4fc2\u3092\u8a18\u8ff0\u3059\u308b\u304c\u3001\u4e3b\u4f53\u304c\u6301\u7d9a\u3001\u5909\u5316\u3001\u73fe\u5728\u3092\u3069\u306e\u3088\u3046\u306b\u7d4c\u9a13\u3059\u308b\u304b\u3092\u8a18\u8ff0\u3057\u306a\u3044\u3002\u4e3b\u89b3\u7684\u6642\u9593\u3068\u81ea\u6211\u306e\u554f\u984c\u306f\u3001\u76f8\u5bfe\u8ad6\u306e\u56e0\u679c\u69cb\u9020\u3092\u524d\u63d0\u306b\u3057\u5f97\u308b\u3068\u3057\u3066\u3082\u3001\u305d\u308c\u3068\u306f\u72ec\u7acb\u3057\u305f\u8aac\u660e\u5bfe\u8c61\u3067\u3042\u308b\u3002<\/p>\n<p>\u300c\u306a\u305c\u5149\u901f\u306f\u6709\u9650\u306a\u306e\u304b\u300d\u3068\u3044\u3046\u554f\u3044\u3078\u306e\u7269\u7406\u5b66\u4e0a\u306e\u56de\u7b54\u306f\u4e8c\u6bb5\u306b\u5206\u304b\u308c\u308b\u3002299,792,458\u30e1\u30fc\u30c8\u30eb\u6bce\u79d2\u3068\u3044\u3046\u6570\u5024\u306f\u5358\u4f4d\u306e\u5b9a\u7fa9\u3067\u3042\u308a\u3001\u81ea\u7136\u306e\u6df1\u3044\u7406\u7531\u3092\u8868\u3059\u6570\u5b57\u3067\u306f\u306a\u3044\u3002\u6709\u9650\u306a\u4e0d\u5909\u901f\u5ea6\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u306f\u3001\u79c1\u305f\u3061\u306e\u4e16\u754c\u304c\u30ac\u30ea\u30ec\u30a4\u578b\u3067\u306f\u306a\u304f\u30ed\u30fc\u30ec\u30f3\u30c4\u578b\u306e\u6642\u7a7a\u69cb\u9020\u3092\u6301\u3064\u3068\u3044\u3046\u7d4c\u9a13\u7684\u4e8b\u5b9f\u3067\u3042\u308b\u3002\u8cea\u91cf\u30bc\u30ed\u3060\u304b\u3089\u901f\u5ea6\u304c\u7121\u9650\u306b\u306a\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u8cea\u91cf\u30bc\u30ed\u306e\u5b58\u5728\u306f\u305d\u306e\u69cb\u9020\u306e\u4e2d\u3067 \\(c\\) \u306b\u5f93\u3046\u3002<\/p>\n<p>\u6709\u9650\u5149\u901f\u304c\u6642\u9593\u3092\u4f5c\u308b\u306e\u3067\u306f\u306a\u3044\u3002\u6709\u9650\u306a \\(c\\) \u306f\u3001\u6642\u9593\u3068\u7a7a\u9593\u3092\u4e00\u3064\u306e\u6642\u7a7a\u3078\u7d50\u3073\u4ed8\u3051\u3001\u539f\u56e0\u304c\u7d50\u679c\u3078\u5c4a\u304f\u7bc4\u56f2\u3092\u5149\u5186\u9310\u3068\u3057\u3066\u533a\u5207\u308b\u3002\u6709\u9650\u5149\u901f\u304b\u3089\u5c0e\u3051\u308b\u306e\u306f\u3001\u3053\u306e\u56e0\u679c\u69cb\u9020\u307e\u3067\u3067\u3042\u308b\u3002<\/p>\n<p>\u7269\u7406\u7684\u306a\u6642\u9593\u3068\u3001\u6642\u9593\u3092\u7d4c\u9a13\u3059\u308b\u4e3b\u4f53\u306e\u95a2\u4fc2\u306b\u3064\u3044\u3066\u306f\u300c<a href=\"https:\/\/blog.id774.net\/entry\/2026\/05\/15\/4764\/\">\u6642\u9593\u30fb\u81ea\u6211\u30fb\u610f\u8b58\u3078\u306e\u554f\u3044<\/a>\u300d\u3078\u7d9a\u304f\u3002<\/p>\n<hr>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ol>\n<li id=\"ref1\">Albert Einstein, \u201cZur Elektrodynamik bewegter K\u00f6rper,\u201d <em>Annalen der Physik<\/em>, Vol. 322, No. 10, pp. 891\u2013921, 1905. <a href=\"https:\/\/doi.org\/10.1002\/andp.19053221004\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1002\/andp.19053221004<\/a><\/li>\n<li id=\"ref2\">Bureau International des Poids et Mesures, \u201cSI Base Unit: Metre (m),\u201d <em>BIPM<\/em>. <a href=\"https:\/\/www.bipm.org\/en\/si-base-units\/metre\" target=\"_blank\" rel=\"noopener\">https:\/\/www.bipm.org\/en\/si-base-units\/metre<\/a><\/li>\n<li id=\"ref3\">Jean-Marc L\u00e9vy-Leblond, \u201cOne More Derivation of the Lorentz Transformation,\u201d <em>American Journal of Physics<\/em>, Vol. 44, No. 3, pp. 271\u2013277, 1976. <a href=\"https:\/\/doi.org\/10.1119\/1.10490\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1119\/1.10490<\/a><\/li>\n<li id=\"ref4\">S. Navas et al. (Particle Data Group), \u201cReview of Particle Physics,\u201d <em>Physical Review D<\/em>, Vol. 110, Article 030001, 2024, Section 49, \u201cKinematics.\u201d <a href=\"https:\/\/doi.org\/10.1103\/PhysRevD.110.030001\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1103\/PhysRevD.110.030001<\/a><\/li>\n<li id=\"ref5\">Hermann Minkowski, \u201cRaum und Zeit,\u201d <em>Jahresbericht der Deutschen Mathematiker-Vereinigung<\/em>, Vol. 18, pp. 75\u201388, 1909. <a href=\"https:\/\/de.wikisource.org\/wiki\/Raum_und_Zeit_(Minkowski)\" target=\"_blank\" rel=\"noopener\">https:\/\/de.wikisource.org\/wiki\/Raum_und_Zeit_(Minkowski)<\/a><\/li>\n<li id=\"ref6\">Joel L. Lebowitz, \u201cBoltzmann\u2019s Entropy and Time\u2019s Arrow,\u201d <em>Physics Today<\/em>, Vol. 46, No. 9, pp. 32\u201338, 1993. <a href=\"https:\/\/doi.org\/10.1063\/1.881363\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1063\/1.881363<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7a3f\u306f\u524d\u56de\u306e\u300c\u6642\u9593\u306f\u3069\u3053\u306b\u3042\u308a\u3001\u300c\u3044\u307e\u300d\u306f\u3069\u3053\u3067\u751f\u307e\u308c\u308b\u306e\u304b\u300d\u306b\u7d9a\u304d\u3001\u6709\u9650\u306a\u5149\u901f\u304c\u6642\u9593\u3068\u56e0\u679c\u306b\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u3092\u6271\u3046\u3002 \u5149\u306b\u8cea\u91cf\u304c\u306a\u3044\u306a\u3089\u3001\u7121\u9650\u306e\u901f\u3055\u3067\u9032\u3093\u3067\u3082\u3088\u3055\u305d\u3046\u306b\u898b\u3048\u308b\u3002\u3057\u304b\u3057\u7279\u6b8a\u76f8\u5bfe\u8ad6\u3067\u306f\u3001\u771f\u7a7a\u4e2d\u306e\u5149\u901f \\(c &#8230; <a title=\"\u5149\u306e\u901f\u5ea6\u306f\u306a\u305c\u6709\u9650\u306a\u306e\u304b\" class=\"read-more\" href=\"https:\/\/harpuia.id774.net\/entry\/2025\/12\/28\/3150\/\" aria-label=\"\u5149\u306e\u901f\u5ea6\u306f\u306a\u305c\u6709\u9650\u306a\u306e\u304b \u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8aad\u3080\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32,24],"tags":[],"class_list":["post-3150","post","type-post","status-publish","format-standard","hentry","category-quantum","category-science"],"_links":{"self":[{"href":"https:\/\/harpuia.id774.net\/entry\/wp-json\/wp\/v2\/posts\/3150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/harpuia.id774.net\/entry\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/harpuia.id774.net\/entry\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/harpuia.id774.net\/entry\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/harpuia.id774.net\/entry\/wp-json\/wp\/v2\/comments?post=3150"}],"version-history":[{"count":16,"href":"https:\/\/harpuia.id774.net\/entry\/wp-json\/wp\/v2\/posts\/3150\/revisions"}],"predecessor-version":[{"id":5382,"href":"https:\/\/harpuia.id774.net\/entry\/wp-json\/wp\/v2\/posts\/3150\/revisions\/5382"}],"wp:attachment":[{"href":"https:\/\/harpuia.id774.net\/entry\/wp-json\/wp\/v2\/media?parent=3150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/harpuia.id774.net\/entry\/wp-json\/wp\/v2\/categories?post=3150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/harpuia.id774.net\/entry\/wp-json\/wp\/v2\/tags?post=3150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}