{"id":1623,"date":"2026-10-30T18:00:00","date_gmt":"2026-10-30T09:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1623"},"modified":"2026-10-27T18:22:08","modified_gmt":"2026-10-27T09:22:08","slug":"qs-group-phase-velocity-20261025","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1623","title":{"rendered":"\u7fa4\u901f\u5ea6\u3068\u4f4d\u76f8\u901f\u5ea6\u3001\u7d30\u304b\u306a\u6ce2\u3068\u5305\u7d61\u7dda\u304c\u9055\u3046\u901f\u3055\u3067\u9032\u3080\u7406\u7531"},"content":{"rendered":"<p>\u7d30\u304b\u306a\u6ce2\u304c\u3044\u304f\u3064\u3082\u4e26\u3073\u3001\u305d\u306e\u5168\u4f53\u304c\u4e00\u3064\u306e\u3075\u304f\u3089\u307f\u306b\u306a\u3063\u3066\u9032\u3093\u3067\u3044\u304f\u3002\u6ce2\u5f62\u3092\u898b\u3066\u3044\u308b\u3068\u3001\u5185\u5074\u306e\u5c71\u3068\u3001\u3075\u304f\u3089\u307f\u306e\u4e2d\u5fc3\u304c\u540c\u3058\u901f\u3055\u3067\u306f\u52d5\u304b\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u300c\u6ce2\u306e\u901f\u3055\u300d\u3092\u4e00\u3064\u306e\u6570\u5b57\u3067\u8868\u3059\u524d\u306b\u3001\u3069\u306e\u90e8\u5206\u3092\u8ffd\u3063\u3066\u3044\u308b\u304b\u3092\u6c7a\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u7d30\u304b\u306a\u632f\u52d5\u306e\u540c\u3058\u4f4d\u76f8\u3092\u8ffd\u3046\u306e\u304c<strong>\u4f4d\u76f8\u901f\u5ea6<\/strong>\u3001\u8fd1\u3044\u5468\u6ce2\u6570\u306e\u6ce2\u3092\u91cd\u306d\u305f\u3068\u304d\u306e\u5305\u7d61\u7dda\u3092\u8ffd\u3046\u306e\u304c<strong>\u7fa4\u901f\u5ea6<\/strong>\u3067\u3059\u3002\u4e8c\u3064\u306e\u9055\u3044\u3092\u3001\u6ce2\u306e\u91cd\u306d\u5408\u308f\u305b\u304b\u3089\u305f\u3069\u308a\u307e\u3059\u3002<\/p>\n<section class=\"influvetor-quick-summary\" aria-label=\"\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>\u4f4d\u76f8\u901f\u5ea6\u306f\u4e00\u3064\u306e\u6b63\u5f26\u6ce2\u306e\u540c\u3058\u4f4d\u76f8\u304c\u9032\u3080\u901f\u3055\u3067\u3001\u89d2\u5468\u6ce2\u6570\u03c9\u3068\u6ce2\u6570k\u304b\u3089\u03c9\/k\u3067\u6c42\u3081\u307e\u3059\u3002<\/li>\n<li>\u8fd1\u3044\u4e8c\u3064\u306e\u6ce2\u3092\u91cd\u306d\u308b\u3068\u3001\u7d30\u304b\u306a\u632f\u52d5\u3068\u306f\u5225\u306b\u3086\u3063\u304f\u308a\u5909\u5316\u3059\u308b\u5305\u7d61\u7dda\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u901f\u3055\u306f\u0394\u03c9\/\u0394k\u3067\u3001\u4e8c\u3064\u3092\u8fd1\u3065\u3051\u305f\u6975\u9650\u304c\u7fa4\u901f\u5ea6d\u03c9\/dk\u3067\u3059\u3002<\/li>\n<li>\u72ed\u3044\u5468\u6ce2\u6570\u7bc4\u56f2\u306e\u6ce2\u675f\u3067\u306f\u7fa4\u901f\u5ea6\u304c\u5305\u7d61\u7dda\u306e\u79fb\u52d5\u3092\u8868\u3057\u307e\u3059\u3002\u5206\u6563\u306e\u66f2\u304c\u308a\u307e\u3067\u52b9\u304f\u3068\u6ce2\u675f\u306e\u5f62\u3082\u5909\u308f\u308b\u305f\u3081\u3001\u901f\u5ea6\u4e00\u3064\u3060\u3051\u3067\u306f\u4f1d\u308f\u308a\u65b9\u3092\u8868\u305b\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u4e00\u3064\u306e\u6ce2\u3067\u306f\u3001\u540c\u3058\u4f4d\u76f8\u3092\u8ffd\u3046<\/h2>\n<p>\u53f3\u3078\u9032\u3080\u6b63\u5f26\u6ce2\u3092 <code>A cos(kx \u2212 \u03c9t)<\/code> \u3068\u66f8\u304d\u307e\u3059\u3002x\u306f\u4f4d\u7f6e\u3001t\u306f\u6642\u9593\u3067\u3059\u3002\u6ce2\u6570k\u306f\u4e00\u30e1\u30fc\u30c8\u30eb\u9032\u3080\u9593\u306b\u4f4d\u76f8\u304c\u4f55\u30e9\u30b8\u30a2\u30f3\u5909\u308f\u308b\u304b\u3001\u89d2\u5468\u6ce2\u6570\u03c9\u306f\u4e00\u79d2\u306b\u4f4d\u76f8\u304c\u4f55\u30e9\u30b8\u30a2\u30f3\u9032\u3080\u304b\u3092\u8868\u3057\u307e\u3059\u3002\u6ce2\u9577\u03bb\u3068\u306fk = 2\u03c0\/\u03bb\u3001\u5468\u6ce2\u6570f\u3068\u306f\u03c9 = 2\u03c0f\u3068\u3044\u3046\u95a2\u4fc2\u3067\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070cos\u306e\u4e2d\u8eab\u304c0\u306e\u5834\u6240\u3092\u8ffd\u3046\u306a\u3089\u3001kx \u2212 \u03c9t = 0\u3092\u4fdd\u3064\u3088\u3046\u306b\u4f4d\u7f6e\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066x = (\u03c9\/k)t\u3068\u306a\u308a\u3001\u305d\u306e\u901f\u3055\u306f<strong>v<sub>p<\/sub> = \u03c9\/k<\/strong>\u3067\u3059\u3002\u3053\u308c\u304c\u4f4d\u76f8\u901f\u5ea6\u3067\u3059\u3002\u6ce2\u306e\u5c71\u3092\u8ffd\u3046\u3068\u3044\u3046\u8a00\u3044\u65b9\u306f\u3001\u3053\u306e\u540c\u3058\u4f4d\u76f8\u3092\u8ffd\u3046\u64cd\u4f5c\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u4e00\u3064\u306e\u6b63\u5f26\u6ce2\u306f\u540c\u3058\u6a21\u69d8\u304c\u3069\u3053\u307e\u3067\u3082\u7d9a\u304d\u307e\u3059\u3002\u77ed\u3044\u4fe1\u53f7\u306e\u3075\u304f\u3089\u307f\u3092\u8868\u3057\u305f\u3051\u308c\u3070\u3001\u5468\u6ce2\u6570\u306e\u9055\u3046\u6ce2\u3092\u91cd\u306d\u308b\u3068\u3053\u308d\u3078\u9032\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u4e8c\u3064\u3092\u91cd\u306d\u308b\u3068\u3001\u5225\u306e\u901f\u3055\u3067\u52d5\u304f\u8f2a\u90ed\u304c\u73fe\u308c\u308b<\/h2>\n<p>\u632f\u5e45\u304c\u540c\u3058\u4e8c\u3064\u306e\u6ce2\u3092\u8003\u3048\u307e\u3059\u3002\u89d2\u5468\u6ce2\u6570\u306e\u5e73\u5747\u3092\u03c9\u0304\u3001\u6ce2\u6570\u306e\u5e73\u5747\u3092k\u0304\u3001\u4e8c\u3064\u306e\u5dee\u3092\u305d\u308c\u305e\u308c\u0394\u03c9\u3001\u0394k\u3068\u3059\u308b\u3068\u3001\u4e09\u89d2\u95a2\u6570\u306e\u52a0\u6cd5\u5b9a\u7406\u304b\u3089\u6b21\u306e\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><code>cos(k\u2081x \u2212 \u03c9\u2081t) + cos(k\u2082x \u2212 \u03c9\u2082t)<br \/>= 2 cos((\u0394k x \u2212 \u0394\u03c9 t)\/2) cos(k\u0304x \u2212 \u03c9\u0304t)<\/code><\/p>\n<p>\u53f3\u7aef\u306ecos\u306f\u7d30\u304b\u306a\u632f\u52d5\u3067\u3059\u3002\u305d\u306e\u624b\u524d\u306b\u3042\u308bcos\u304c\u632f\u5e45\u3092\u3086\u3063\u304f\u308a\u5909\u3048\u3001\u5f37\u3081\u5408\u3046\u90e8\u5206\u3068\u5f31\u3081\u5408\u3046\u90e8\u5206\u3092\u4f5c\u308a\u307e\u3059\u3002\u3053\u306e\u5916\u5074\u306e\u8f2a\u90ed\u304c<strong>\u5305\u7d61\u7dda<\/strong>\u3067\u3059\u3002\u5dee\u304c\u5c0f\u3055\u3044\u307b\u3069\u3001\u7d30\u304b\u306a\u632f\u52d5\u306b\u5bfe\u3057\u3066\u5305\u7d61\u7dda\u306e\u5909\u5316\u306f\u3086\u3063\u304f\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5305\u7d61\u7dda\u306e\u540c\u3058\u4f4d\u7f6e\u306f\u0394k x \u2212 \u0394\u03c9 t\u304c\u4e00\u5b9a\u306b\u306a\u308b\u3088\u3046\u306b\u9032\u3080\u306e\u3067\u3001\u305d\u306e\u901f\u3055\u306f\u0394\u03c9\/\u0394k\u3067\u3059\u3002\u4e00\u65b9\u3001\u7d30\u304b\u306a\u632f\u52d5\u306e\u540c\u4f4d\u76f8\u70b9\u306f\u03c9\u0304\/k\u0304\u3067\u9032\u307f\u307e\u3059\u3002\u5e73\u5747\u306e\u6bd4\u3068\u3001\u5dee\u306e\u6bd4\u3002\u3053\u3053\u304c\u3001\u4e8c\u3064\u306e\u901f\u3055\u304c\u5206\u304b\u308c\u308b\u51fa\u767a\u70b9\u3067\u3059\u3002<\/p>\n<h2>\u540c\u3058\u6ce2\u5f62\u304b\u3089\u3001\u7d042 m\/s\u30684 m\/s\u304c\u8aad\u307f\u53d6\u308c\u308b<\/h2>\n<p>\u8a08\u7b97\u4f8b\u3068\u3057\u3066\u3001\u89d2\u5468\u6ce2\u6570\u3068\u6ce2\u6570\u306e\u95a2\u4fc2\u3092\u03c9 = \u03b1k\u00b2\u3001\u03b1 = 0.5 m\u00b2\/s\u3068\u7f6e\u304d\u307e\u3059\u3002\u5b9f\u969b\u306e\u6750\u6599\u3092\u6e2c\u3063\u305f\u5024\u3067\u306f\u306a\u304f\u3001\u901f\u3055\u306e\u9055\u3044\u3092\u898b\u3084\u3059\u304f\u3059\u308b\u4eee\u60f3\u7684\u306a\u5206\u6563\u95a2\u4fc2\u3067\u3059\u3002\u632f\u5e451\u306e\u6ce2\u3092\u4e8c\u3064\u91cd\u306d\u3001k\u2081 = 3.8 rad\/m\u3001k\u2082 = 4.2 rad\/m\u3068\u3059\u308b\u3068\u3001\u03c9\u2081 = 7.22 rad\/s\u3001\u03c9\u2082 = 8.82 rad\/s\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u4e8c\u3064\u3067\u306f\u3001k\u0304 = 4 rad\/m\u3001\u03c9\u0304 = 8.02 rad\/s\u3067\u3059\u3002\u7d30\u304b\u306a\u632f\u52d5\u306e\u540c\u4f4d\u76f8\u70b9\u306f8.02 \u00f7 4 = <strong>2.005 m\/s<\/strong>\u3002\u5305\u7d61\u7dda\u306f(8.82 \u2212 7.22) \u00f7 (4.2 \u2212 3.8) = <strong>4 m\/s<\/strong>\u3067\u9032\u307f\u307e\u3059\u3002\u4e00\u79d2\u5f8c\u306b\u306f\u3001\u540c\u3058\u51fa\u767a\u70b9\u304b\u3089\u8ffd\u3063\u305f\u76ee\u5370\u304c\u7d042 m\u30684 m\u306e\u4f4d\u7f6e\u3078\u5206\u304b\u308c\u307e\u3059\u3002<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-group-phase-velocity-20261025-figure-0d2d10d72ca0.png\" alt=\"\u4e8c\u3064\u306e\u6b63\u5f26\u6ce2\u306e\u548c\u30920\u79d2\u30681\u79d2\u3067\u6bd4\u8f03\u3002\u5305\u7d61\u7dda\u306e\u4e2d\u5fc3\u306e\u76ee\u5370\u306f0\u30e1\u30fc\u30c8\u30eb\u304b\u30894\u30e1\u30fc\u30c8\u30eb\u3078\u3001\u7d30\u304b\u306a\u632f\u52d5\u306e\u540c\u4f4d\u76f8\u70b9\u306f0\u30e1\u30fc\u30c8\u30eb\u304b\u30892.005\u30e1\u30fc\u30c8\u30eb\u3078\u79fb\u52d5\u3059\u308b\u3002\u632f\u5e45\u306f\u4efb\u610f\u5358\u4f4d\u3002\u4e8c\u6ce2\u306e\u7e70\u8fd4\u3057\u6a21\u69d8\u306e\u4e00\u90e8\u3067\u3042\u308a\u6709\u9650\u306e\u6ce2\u675f\u3067\u306f\u306a\u3044\u3002\" style=\"max-width:100%;height:auto\"><figcaption>\u72ec\u81ea\u306e\u4e8c\u6ce2\u5408\u6210\u8a08\u7b97\u3002\u7834\u7dda\u306f\u5305\u7d61\u7dda\u3001\u9752\u7dda\u306f\u5408\u6210\u3057\u305f\u6ce2\u5f62\u3002\u30aa\u30ec\u30f3\u30b8\u306e\u7dda\u306f\u7d30\u304b\u306a\u632f\u52d5\u306e\u4f4d\u76f8\u306e\u76ee\u5370\u3067\u3001\u5408\u6210\u6ce2\u5f62\u306e\u6975\u5927\u70b9\u3092\u793a\u3059\u3082\u306e\u3067\u306f\u306a\u3044\u3002Quantum Sea\u4f5c\u56f3\u3002<\/figcaption><\/figure>\n<p>\u3053\u306e\u56f3\u306f\u3001\u7121\u9650\u306b\u7d9a\u304f\u4e8c\u3064\u306e\u6b63\u5f26\u6ce2\u304b\u3089\u3067\u304d\u308b\u7e70\u8fd4\u3057\u6a21\u69d8\u306e\u4e00\u90e8\u3067\u3059\u3002\u4e00\u3064\u3060\u3051\u306e\u77ed\u3044\u6ce2\u675f\u3092\u8868\u3057\u305f\u56f3\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u3067\u3082\u3001\u7d30\u304b\u306a\u632f\u52d5\u3068\u5305\u7d61\u7dda\u304c\u5225\u3005\u306b\u52d5\u304f\u4ed5\u7d44\u307f\u3092\u3001\u8fd1\u4f3c\u305b\u305a\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4e8c\u3064\u306e\u6ce2\u6570\u30924 rad\/m\u3078\u8fd1\u3065\u3051\u308b\u3068\u3001\u7d30\u304b\u306a\u632f\u52d5\u306e\u901f\u3055\u306f2 m\/s\u3078\u8fd1\u3065\u304d\u307e\u3059\u3002\u5305\u7d61\u7dda\u306e\u901f\u3055\u306f\u3001\u03c9 = \u03b1k\u00b2\u306e\u50be\u304d2\u03b1k\u3092k = 4\u3067\u8a55\u4fa1\u3057\u305f4 m\/s\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u6975\u9650\u3067<strong>v<sub>g<\/sub> = d\u03c9\/dk<\/strong>\u3068\u5b9a\u7fa9\u3059\u308b\u306e\u304c\u7fa4\u901f\u5ea6\u3067\u3059\u3002<\/p>\n<h2>\u6ce2\u675f\u306e\u5230\u7740\u3068\u5f62\u3092\u3001\u4e8c\u6bb5\u968e\u3067\u8003\u3048\u308b<\/h2>\n<p>\u6709\u9650\u306e\u6ce2\u675f\u306f\u3001\u591a\u6570\u306e\u6ce2\u6570\u6210\u5206\u3092\u91cd\u306d\u3066\u4f5c\u308a\u307e\u3059\u3002\u4e2d\u5fc3\u6ce2\u6570k\u2080\u306e\u8fd1\u304f\u306b\u6210\u5206\u304c\u96c6\u307e\u308a\u3001\u305d\u306e\u7bc4\u56f2\u3067\u03c9(k)\u3092\u307b\u307c\u76f4\u7dda\u3068\u307f\u306a\u305b\u308b\u306a\u3089\u3001\u4e2d\u5fc3\u3067\u306e\u50be\u304dd\u03c9\/dk\u304c\u5305\u7d61\u7dda\u306e\u79fb\u52d5\u901f\u5ea6\u306b\u306a\u308a\u307e\u3059\u3002\u30b0\u30e9\u30d5\u3067\u3044\u3048\u3070\u3001\u4f4d\u76f8\u901f\u5ea6\u306f\u539f\u70b9\u304b\u3089\u305d\u306e\u70b9\u3078\u5f15\u3044\u305f\u7dda\u306e\u50be\u304d\u3001\u7fa4\u901f\u5ea6\u306f\u305d\u306e\u70b9\u3067\u306e\u63a5\u7dda\u306e\u50be\u304d\u3067\u3059\u3002<\/p>\n<p>\u03c9 = vk\u306e\u3088\u3046\u306b\u539f\u70b9\u3092\u901a\u308b\u76f4\u7dda\u306a\u3089\u3001\u4e8c\u3064\u306f\u3069\u3061\u3089\u3082v\u306b\u306a\u308a\u3001\u5404\u6210\u5206\u304c\u305d\u308d\u3063\u3066\u9032\u307f\u307e\u3059\u3002\u66f2\u7dda\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u3001\u4e8c\u3064\u306e\u50be\u304d\u306f\u4e00\u822c\u306b\u4e00\u81f4\u3057\u307e\u305b\u3093\u3002\u3055\u3089\u306b\u3001\u6ce2\u675f\u304c\u542b\u3080\u7bc4\u56f2\u3067\u63a5\u7dda\u306e\u50be\u304d\u81ea\u4f53\u304c\u5909\u308f\u308b\u307b\u3069\u66f2\u304c\u308a\u304c\u52b9\u3051\u3070\u3001\u5305\u7d61\u7dda\u306f\u79fb\u52d5\u3057\u306a\u304c\u3089\u5e83\u304c\u3063\u305f\u308a\u5f62\u3092\u5909\u3048\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>\u77ed\u3044\u4fe1\u53f7\u3092\u6271\u3046\u3068\u304d\u306f\u3001\u307e\u305a\u4e2d\u5fc3\u4ed8\u8fd1\u306e\u7fa4\u901f\u5ea6\u304b\u3089\u5305\u7d61\u7dda\u306e\u79fb\u52d5\u3092\u8003\u3048\u3001\u305d\u306e\u5f8c\u3067\u4fe1\u53f7\u306e\u5e2f\u57df\u306b\u308f\u305f\u308b\u5206\u6563\u304b\u3089\u5f62\u306e\u5909\u5316\u3092\u8abf\u3079\u308b\u3002\u3053\u306e\u9806\u5e8f\u306b\u3059\u308b\u3068\u3001\u5230\u7740\u306e\u9045\u308c\u3068\u6ce2\u5f62\u306e\u5d29\u308c\u3092\u5225\u3005\u306b\u691c\u8a0e\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u6271\u3063\u305f\u306e\u306f\u7dda\u5f62\u306a\u91cd\u306d\u5408\u308f\u305b\u3068\u72ed\u5e2f\u57df\u8fd1\u4f3c\u306e\u8aac\u660e\u3067\u3042\u308a\u3001\u5f37\u3044\u5438\u53ce\u306a\u3069\u3092\u542b\u3080\u4efb\u610f\u306e\u72b6\u6cc1\u3067\u3001\u7fa4\u901f\u5ea6\u3092\u305d\u306e\u307e\u307e\u60c5\u5831\u306e\u4f1d\u9054\u901f\u5ea6\u3068\u540c\u4e00\u8996\u3059\u308b\u305f\u3081\u306e\u5f0f\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li><a href=\"https:\/\/dabm.stanford.edu\/wp-content\/uploads\/2021\/12\/Lecture_10.pdf\">David A. B. Miller, Quantum Mechanics for Scientists and Engineers, Lecture 10: Wavepackets<\/a>\u3001PDF 8\u301c13\u30da\u30fc\u30b8\u3002\u4e8c\u6ce2\u306e\u91cd\u306d\u5408\u308f\u305b\u3001\u4f4d\u76f8\u901f\u5ea6\u3068\u7fa4\u901f\u5ea6\u306e\u533a\u5225\u3002\u516c\u958b\u30d1\u30b9\u306f2021\u5e7412\u6708\u3067\u3001\u8cc7\u6599\u81ea\u4f53\u306e\u767a\u884c\u65e5\u306f\u672a\u8a18\u8f09\u3002<\/li>\n<li><a href=\"https:\/\/ocw.mit.edu\/courses\/8-03sc-physics-iii-vibrations-and-waves-fall-2016\/resources\/mit8_03scf16_lec13\/\">MIT OpenCourseWare, 8.03SC Fall 2016, Lecture 13<\/a>\u3001PDF 1\u301c3\u30da\u30fc\u30b8\u3002\u5206\u6563\u95a2\u4fc2\u3068\u4e8c\u3064\u306e\u901f\u5ea6\u306e\u5b9a\u7fa9\u3002<\/li>\n<li><a href=\"https:\/\/ocw.mit.edu\/courses\/8-03sc-physics-iii-vibrations-and-waves-fall-2016\/ef731c1b91d77a6db003f6c27e300d25_MIT8_03SCF16_Textbook.pdf\">Howard Georgi, The Physics of Waves<\/a>\u3001\u7b2c10\u7ae0\u306e\u7fa4\u901f\u5ea6\u3068\u5206\u6563\u306e\u8aac\u660e\u3002\u4e0a\u306e\u6570\u5024\u3068\u56f3\u306f\u5404\u8cc7\u6599\u306e\u6570\u5024\u4f8b\u306e\u8ee2\u8f09\u3067\u306f\u306a\u304f\u3001\u660e\u793a\u3057\u305f\u5206\u6563\u95a2\u4fc2\u306b\u57fa\u3065\u304f\u72ec\u81ea\u8a08\u7b97\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u7d30\u304b\u306a\u6ce2\u304c\u3044\u304f\u3064\u3082\u4e26\u3073\u3001\u305d\u306e\u5168\u4f53\u304c\u4e00\u3064\u306e\u3075\u304f\u3089\u307f\u306b\u306a\u3063\u3066\u9032\u3093\u3067\u3044\u304f\u3002\u6ce2\u5f62\u3092\u898b\u3066\u3044\u308b\u3068\u3001\u5185\u5074\u306e\u5c71\u3068\u3001\u3075\u304f\u3089\u307f\u306e\u4e2d\u5fc3\u304c\u540c\u3058\u901f\u3055\u3067\u306f\u52d5\u304b\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u300c\u6ce2\u306e\u901f\u3055\u300d\u3092\u4e00\u3064\u306e\u6570\u5b57\u3067\u8868\u3059\u524d\u306b\u3001\u3069\u306e\u90e8\u5206\u3092\u8ffd\u3063\u3066\u3044\u308b\u304b\u3092\u6c7a\u3081\u308b\u5fc5\u8981 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1621,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[29],"tags":[328],"class_list":["post-1623","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-communications-networking","tag-group-velocity"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-group-phase-velocity-20261025-featured-715b84edc7e5.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1623","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1623"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1623\/revisions"}],"predecessor-version":[{"id":1624,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1623\/revisions\/1624"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1621"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}