{"id":2413,"date":"2026-11-08T05:00:00","date_gmt":"2026-11-07T20:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=2413"},"modified":"2026-11-06T03:44:37","modified_gmt":"2026-11-05T18:44:37","slug":"qs-local-state-verification-entanglement-20261106","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=2413","title":{"rendered":"\u5c40\u6240\u72b6\u614b\u306e\u691c\u8a3c\u3068\u8b58\u5225\u3001\u5f31\u3044\u3082\u3064\u308c\u306b\u3082\u6700\u5927\u3082\u3064\u308c\u304c\u5fc5\u8981\u306b\u306a\u308b\u6761\u4ef6"},"content":{"rendered":"<p>\u3082\u3064\u308c\u306e\u5f31\u3044\u91cf\u5b50\u72b6\u614b\u306a\u3089\u3001\u305d\u308c\u3092\u96e2\u308c\u305f\u5834\u6240\u304b\u3089\u898b\u5206\u3051\u308b\u305f\u3081\u306e\u8cc7\u6e90\u3082\u5c11\u306a\u304f\u3066\u6e08\u3080\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u7b54\u3048\u306f\u3001\u3069\u308c\u3060\u3051\u6b63\u78ba\u306b\u898b\u5206\u3051\u308b\u304b\u3001\u305d\u3057\u3066\u4f7f\u3048\u308b\u8cc7\u6e90\u306e\u5927\u304d\u3055\u306b\u3088\u3063\u3066\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30c9\u306eBose Institute\u306b\u6240\u5c5e\u3059\u308bSomshubhro Bandyopadhyay\u6c0f\u306f\u30012026\u5e7411\u67083\u65e5\u306e\u30d7\u30ec\u30d7\u30ea\u30f3\u30c8\u3067\u3001\u96e2\u308c\u305f\u4e8c\u8005\u306b\u3088\u308b\u91cf\u5b50\u72b6\u614b\u306e\u691c\u8a3c\u306b\u5fc5\u8981\u306a\u3082\u3064\u308c\u3092\u3001\u7dda\u5f62\u4ee3\u6570\u3060\u3051\u3067\u793a\u3059\u8a3c\u660e\u3092\u63d0\u793a\u3057\u307e\u3057\u305f\u3002\u65e2\u77e5\u306e\u5fc5\u8981\u6761\u4ef6\u3092\u7c21\u6f54\u306b\u5c0e\u304d\u76f4\u3057\u3001\u305d\u308c\u3092\u76f4\u4ea4\u57fa\u5e95\u306e\u5b8c\u5168\u306a\u8b58\u5225\u3078\u5fdc\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u9375\u306b\u306a\u308b\u306e\u306f\u3001\u3082\u3064\u308c\u306e\u300c\u91cf\u300d\u3068\u3001\u305d\u306e\u72b6\u614b\u304c\u4f7f\u3063\u3066\u3044\u308b\u72ec\u7acb\u306a\u6210\u5206\u306e\u300c\u6570\u300d\u3092\u5206\u3051\u308b\u3053\u3068\u3067\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>\u5bfe\u8c61\u306f\u3001\u5c40\u6240\u64cd\u4f5c\u3068\u53e4\u5178\u901a\u4fe1\uff08LOCC\uff09\u3067\u3001\u91cf\u5b50\u72b6\u614b\u3092\u8aa4\u308a\u306a\u304f\u78ba\u5b9f\u306b\u691c\u8a3c\u30fb\u8b58\u5225\u3059\u308b\u8ab2\u984c\u3067\u3059\u3002\u3042\u3089\u304b\u3058\u3081\u5171\u6709\u3057\u305f\u7d14\u7c8b\u306a\u3082\u3064\u308c\u72b6\u614b\u3092\u88dc\u52a9\u8cc7\u6e90\u3068\u3057\u3066\u4f7f\u3044\u307e\u3059\u3002<\/li>\n<li>\u691c\u8a3c\u3059\u308b\u72b6\u614b\u3068\u8cc7\u6e90\u306e\u30b7\u30e5\u30df\u30c3\u30c8\u30e9\u30f3\u30af\u304c\u540c\u3058\u306a\u3089\u3001\u8cc7\u6e90\u306f\u305d\u306e\u30e9\u30f3\u30af\u3067\u6700\u5927\u306b\u3082\u3064\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u5bfe\u8c61\u306e\u3082\u3064\u308c\u304c\u5f31\u3044\u3053\u3068\u3060\u3051\u3067\u306f\u3001\u5fc5\u8981\u306a\u8cc7\u6e90\u3092\u5c0f\u3055\u304f\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n<li>\u305f\u3060\u3057\u3001\u88dc\u52a9\u8cc7\u6e90\u306e\u6b21\u5143\u3092\u5e83\u3052\u308b\u3068\u7d50\u8ad6\u304c\u5909\u308f\u308b\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002\u8aa4\u308a\u3084\u5931\u6557\u3092\u8a8d\u3081\u308b\u6e2c\u5b9a\u3001\u4e00\u822c\u306e\u6df7\u5408\u8cc7\u6e90\u3001\u3069\u306e\u57fa\u5e95\u306b\u3082\u540c\u3058\u91cf\u304c\u5fc5\u8981\u3068\u3044\u3046\u4e3b\u5f35\u3078\u306f\u5e83\u3052\u3089\u308c\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u96e2\u308c\u305f\u4e8c\u8005\u304c\u3067\u304d\u308b\u64cd\u4f5c\u3092\u6c7a\u3081\u308b<\/h2>\n<p>\u4e8c\u3064\u306e\u7814\u7a76\u5ba4\u304c\u3001\u91cf\u5b50\u72b6\u614b\u306e\u4e00\u65b9\u305a\u3064\u3092\u6301\u3063\u3066\u3044\u308b\u3068\u3057\u307e\u3059\u3002\u5404\u81ea\u306f\u624b\u5143\u306e\u91cf\u5b50\u7cfb\u3092\u64cd\u4f5c\u3067\u304d\u3001\u6e2c\u5b9a\u7d50\u679c\u3092\u901a\u5e38\u306e\u901a\u4fe1\u3067\u4f1d\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u304c<strong>\u5c40\u6240\u64cd\u4f5c\u3068\u53e4\u5178\u901a\u4fe1\uff08LOCC\uff09<\/strong>\u3067\u3059\u3002\u8ab2\u984c\u3092\u89e3\u304f\u9014\u4e2d\u306b\u91cf\u5b50\u7cfb\u305d\u306e\u3082\u306e\u3092\u9001\u308a\u5408\u3046\u3053\u3068\u306f\u8a31\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u8ffd\u52a0\u306e\u8cc7\u6e90\u3068\u3057\u3066\u3001\u4e8c\u8005\u304c\u3042\u3089\u304b\u3058\u3081\u5171\u6709\u3059\u308b\u7d14\u7c8b\u306a\u3082\u3064\u308c\u72b6\u614b\u3092\u7528\u610f\u3057\u307e\u3059\u3002\u8cc7\u6e90\u3082\u5404\u7814\u7a76\u5ba4\u306b\u5206\u304b\u308c\u3066\u304a\u308a\u3001\u624b\u5143\u306e\u5165\u529b\u3068\u4e00\u7dd2\u306b\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002\u5341\u5206\u306a\u6700\u5927\u3082\u3064\u308c\u304c\u3042\u308c\u3070\u3001\u91cf\u5b50\u30c6\u30ec\u30dd\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u7247\u65b9\u306e\u5165\u529b\u306e\u72b6\u614b\u3092\u3082\u3046\u4e00\u65b9\u3078\u79fb\u3057\u3001\u305d\u3053\u3067\u4e21\u65b9\u3092\u307e\u3068\u3081\u3066\u6e2c\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u5171\u6709\u3082\u3064\u308c\u3068\u53e4\u5178\u901a\u4fe1\u3092\u4f7f\u3046\u624b\u9806\u3067\u3001\u9014\u4e2d\u306e\u91cf\u5b50\u901a\u4fe1\u3092\u8ffd\u52a0\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u8ad6\u6587\u306fLOCC\u3060\u3051\u3067\u306a\u304f\u3001\u305d\u308c\u3092\u542b\u3080<strong>\u5206\u96e2\u53ef\u80fd\u6e2c\u5b9a<\/strong>\u306b\u3064\u3044\u3066\u5fc5\u8981\u6761\u4ef6\u3092\u5c0e\u304d\u307e\u3059\u3002\u6e2c\u5b9a\u3092\u8868\u3059\u5404\u8981\u7d20\u304c\u3001\u4e8c\u8005\u305d\u308c\u305e\u308c\u306b\u4f5c\u7528\u3059\u308b\u6b63\u306e\u6f14\u7b97\u5b50\u306e\u7a4d\u306e\u548c\u3068\u3057\u3066\u66f8\u3051\u308b\u3001\u3088\u308a\u5e83\u3044\u6e2c\u5b9a\u306e\u96c6\u5408\u3067\u3059\u3002\u3053\u306e\u5e83\u3044\u96c6\u5408\u3067\u3082\u7121\u7406\u306a\u3089\u3001LOCC\u3067\u3082\u7121\u7406\u3060\u3068\u5206\u304b\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u5206\u96e2\u53ef\u80fd\u6e2c\u5b9a\u3092\u3059\u3079\u3066LOCC\u3067\u5b9f\u88c5\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u300c\u3053\u306e\u72b6\u614b\u304b\u300d\u3092\u78ba\u304b\u3081\u308b\u3053\u3068\u3068\u3001\u300c\u3069\u306e\u72b6\u614b\u304b\u300d\u3092\u5f53\u3066\u308b\u3053\u3068<\/h2>\n<p>\u3053\u306e\u8ad6\u6587\u3067\u3044\u3046\u72b6\u614b\u306e<strong>\u691c\u8a3c<\/strong>\u306f\u3001\u4e00\u3064\u306e\u7d14\u7c8b\u72b6\u614b|\u03c6\u27e9\u304b\u3001\u305d\u308c\u3068\u76f4\u4ea4\u3059\u308b\u72b6\u614b\u304b\u3092\u3001\u5fc5\u305a\u6b63\u3057\u304f\u5224\u5b9a\u3059\u308b\u4e8c\u629e\u306e\u8ab2\u984c\u3067\u3059\u3002\u591a\u6570\u306e\u8a66\u6599\u304b\u3089\u7d71\u8a08\u7684\u306b\u54c1\u8cea\u3092\u63a8\u5b9a\u3059\u308b\u4e00\u822c\u7684\u306a\u691c\u8a3c\u4f5c\u696d\u3068\u306f\u3001\u8a2d\u5b9a\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u6b63\u3057\u3044\u72b6\u614b\u3092\u5fc5\u305a\u53d7\u3051\u5165\u308c\u3001\u76f4\u4ea4\u3059\u308b\u72b6\u614b\u3092\u3059\u3079\u3066\u9000\u3051\u308b\u3053\u3068\u3092\u6c42\u3081\u307e\u3059\u3002<\/p>\n<p><strong>\u8b58\u5225<\/strong>\u306f\u3001\u65e2\u77e5\u306e\u76f4\u4ea4\u72b6\u614b\u306e\u96c6\u5408\u304b\u3089\u9078\u3070\u308c\u305f\u5165\u529b\u304c\u3001\u3069\u306e\u8981\u7d20\u304b\u3092\u5f53\u3066\u308b\u8ab2\u984c\u3067\u3059\u3002\u5b8c\u5168\u306a\u76f4\u4ea4\u57fa\u5e95\u3092\u8b58\u5225\u3067\u304d\u308b\u306a\u3089\u3001\u4e00\u3064\u306e\u8981\u7d20\u306e\u7d50\u679c\u3092\u300c\u306f\u3044\u300d\u3001\u6b8b\u308a\u3092\u3059\u3079\u3066\u300c\u3044\u3044\u3048\u300d\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u8981\u7d20\u306e\u691c\u8a3c\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3064\u306a\u304c\u308a\u304c\u3001\u691c\u8a3c\u306e\u5fc5\u8981\u6761\u4ef6\u3092\u8b58\u5225\u3078\u79fb\u3059\u8db3\u639b\u304b\u308a\u306b\u306a\u308a\u307e\u3059\u3002\u9006\u306b\u3001\u7279\u5b9a\u306e\u4e00\u72b6\u614b\u3092\u691c\u8a3c\u3067\u304d\u308b\u3060\u3051\u3067\u3001\u57fa\u5e95\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u8b58\u5225\u3067\u304d\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u30b7\u30e5\u30df\u30c3\u30c8\u30e9\u30f3\u30af\u306f\u3001\u3082\u3064\u308c\u306e\u5f37\u3055\u305d\u306e\u3082\u306e\u3067\u306f\u306a\u3044<\/h2>\n<p>\u4e8c\u8005\u306e\u7d14\u7c8b\u72b6\u614b\u306f\u3001\u9069\u5207\u306a\u5c40\u6240\u57fa\u5e95\u3092\u9078\u3079\u3070\u3001\u5bfe\u5fdc\u3059\u308b\u72b6\u614b\u306e\u7d44\u3092\u91cd\u307f\u4ed8\u304d\u3067\u8db3\u3057\u305f<strong>\u30b7\u30e5\u30df\u30c3\u30c8\u5206\u89e3<\/strong>\u3067\u8868\u305b\u307e\u3059\u3002\u305d\u306e\u3046\u3061\u91cd\u307f\u304c\u30bc\u30ed\u3067\u306a\u3044\u7d44\u306e\u6570\u304c\u3001\u30b7\u30e5\u30df\u30c3\u30c8\u30e9\u30f3\u30af\u3067\u3059\u3002\u7a4d\u72b6\u614b\u306a\u30891\u3001\u4e8c\u91cf\u5b50\u30d3\u30c3\u30c8\u306e\u3082\u3064\u308c\u72b6\u614b\u306a\u30892\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u3082\u3064\u308c\u306e\u91cf\u3092\u8868\u3059\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306f\u3001\u91cd\u307f\u306e\u504f\u308a\u306b\u3082\u4f9d\u5b58\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u72b6\u614b\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n<p><strong>|\u03c6\u27e9 = \u221a0.99 |00\u27e9 + \u221a0.01 |11\u27e9<\/strong><\/p>\n<p>\u4e8c\u3064\u306e\u6210\u5206\u304c\u6b8b\u3063\u3066\u3044\u308b\u306e\u3067\u30e9\u30f3\u30af\u306f2\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u91cd\u307f\u306e\u4e8c\u4e57\u304c0.99\u30680.01\u306b\u504f\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u3082\u3064\u308c\u306e\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306f\u7d040.081 ebit\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u5bfe\u3057\u3066\u3001\u4e8c\u3064\u304c\u7b49\u3057\u3044\u30d9\u30eb\u72b6\u614b\u3067\u306f1 ebit\u306b\u306a\u308a\u307e\u3059\u3002\u30e9\u30f3\u30af\u304c\u540c\u3058\u3067\u3082\u3001\u3082\u3064\u308c\u306e\u91cf\u306f\u5927\u304d\u304f\u9055\u3044\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/11\/qs-local-state-verification-entanglement-20261106-figure3-04d697609e52.png\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/11\/qs-local-state-verification-entanglement-20261106-figure3-04d697609e52.png\" alt=\"\u5bfe\u8c61\u306e\u30b7\u30e5\u30df\u30c3\u30c8\u91cd\u307f\u306e\u4e8c\u4e57\u306f0.99\u30680.01\u3067\u30e9\u30f3\u30af2\u3002\u78ba\u5b9f\u306a\u691c\u8a3c\u306b\u4f7f\u3046\u7d14\u7c8b\u8cc7\u6e90\u3082\u30e9\u30f3\u30af2\u306b\u9650\u308b\u3068\u3001\u305d\u306e\u91cd\u307f\u306e\u4e8c\u4e57\u306f0.5\u30680.5\u306e\u6700\u5927\u3082\u3064\u308c\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002\u8cc7\u6e90\u306e\u30e9\u30f3\u30af\u3092\u5e83\u3052\u305f\u5834\u5408\u306b\u306f\u3053\u306e\u7d50\u8ad6\u3092\u305d\u306e\u307e\u307e\u9069\u7528\u3057\u306a\u3044\u3002\" style=\"max-width:100%;height:auto\" \/><\/a><figcaption>\u5b9a\u74061\u3092\u3001Quantum Sea\u306b\u3088\u308b\u4e8c\u91cf\u5b50\u30d3\u30c3\u30c8\u306e\u4f8b\u306b\u9069\u7528\u3002\u68d2\u306f\u30b7\u30e5\u30df\u30c3\u30c8\u4fc2\u6570\u306e\u4e8c\u4e57\u3092\u8868\u3057\u307e\u3059\u3002\u5b9f\u9a13\u30c7\u30fc\u30bf\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n<h2>\u540c\u3058\u30e9\u30f3\u30af\u306e\u8cc7\u6e90\u306a\u3089\u3001\u306a\u305c\u6700\u5927\u3082\u3064\u308c\u304c\u5fc5\u8981\u306a\u306e\u304b<\/h2>\n<p>\u5b9a\u74061\u306f\u3001\u691c\u8a3c\u5bfe\u8c61\u3092|\u03c6\u27e9\u3001\u7d14\u7c8b\u306a\u88dc\u52a9\u8cc7\u6e90\u3092|\u03c4\u27e9\u3068\u3059\u308b\u3068\u3001<strong>\u8cc7\u6e90\u306e\u30b7\u30e5\u30df\u30c3\u30c8\u30e9\u30f3\u30af\u306f\u3001\u5bfe\u8c61\u306e\u30e9\u30f3\u30af\u4ee5\u4e0a<\/strong>\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u8ff0\u3079\u307e\u3059\u3002\u305d\u3057\u3066\u4e21\u8005\u304c\u7b49\u3057\u3044\u5834\u5408\u3001\u8cc7\u6e90\u306e\u975e\u30bc\u30ed\u306e\u91cd\u307f\u306f\u3059\u3079\u3066\u7b49\u3057\u304f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u3001\u305d\u306e\u30e9\u30f3\u30af\u3067\u6700\u5927\u306b\u3082\u3064\u308c\u305f\u8cc7\u6e90\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u6700\u521d\u306e\u6761\u4ef6\u306f\u3001\u72b6\u614b\u3092\u3044\u304f\u3064\u306e\u7a4d\u72b6\u614b\u306e\u548c\u3067\u8868\u305b\u308b\u304b\u3001\u3068\u3044\u3046\u6570\u3048\u65b9\u304b\u3089\u5f97\u3089\u308c\u307e\u3059\u3002\u8cc7\u6e90\u306e\u5404\u30b7\u30e5\u30df\u30c3\u30c8\u6210\u5206\u304b\u3089\u8a98\u5c0e\u3055\u308c\u308b\u6e2c\u5b9a\u306e\u30d9\u30af\u30c8\u30eb\u3092\u8db3\u3057\u3066\u3001\u5bfe\u8c61\u306e\u72b6\u614b\u3092\u518d\u73fe\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5bfe\u8c61\u306e\u30e9\u30f3\u30af\u304c\u8cc7\u6e90\u306e\u30e9\u30f3\u30af\u3088\u308a\u5927\u304d\u3044\u3068\u3001\u6210\u5206\u304c\u8db3\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u540c\u3058\u30e9\u30f3\u30af\u306e\u5834\u5408\u306b\u306f\u3001\u3055\u3089\u306b\u6e2c\u5b9a\u306e<strong>\u5b8c\u5168\u6027<\/strong>\u304c\u52b9\u304d\u307e\u3059\u3002\u300c\u306f\u3044\u300d\u3068\u300c\u3044\u3044\u3048\u300d\u306e\u6e2c\u5b9a\u8981\u7d20\u3092\u8db3\u3059\u3068\u6052\u7b49\u6f14\u7b97\u5b50\u306b\u306a\u308b\u3001\u3068\u3044\u3046\u78ba\u7387\u306e\u53d6\u308a\u3053\u307c\u3057\u304c\u306a\u3044\u6761\u4ef6\u3067\u3059\u3002\u8ad6\u6587\u306f\u3001\u3053\u306e\u6761\u4ef6\u3068\u691c\u8a3c\u306e\u6761\u4ef6\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u30c8\u30ec\u30fc\u30b9\u3092\u53d6\u308b\u3053\u3068\u3067\u3001\u8cc7\u6e90\u306e\u5404\u30b7\u30e5\u30df\u30c3\u30c8\u4fc2\u6570\u306e\u4e8c\u4e57\u304c\u3059\u3079\u30661\/r\u306b\u306a\u308b\u3068\u793a\u3057\u307e\u3059\u3002r\u306f\u5171\u901a\u306e\u30e9\u30f3\u30af\u3067\u3059\u3002<\/p>\n<p>\u5148\u307b\u3069\u306e\u30e9\u30f3\u30af2\u306e\u5bfe\u8c61\u306a\u3089\u3001\u30e9\u30f3\u30af2\u306e\u7d14\u7c8b\u8cc7\u6e90\u3067\u78ba\u5b9f\u306b\u691c\u8a3c\u3059\u308b\u306b\u306f\u3001\u5bfe\u8c61\u306e\u91cd\u307f\u304c0.99\u5bfe0.01\u3067\u3082\u3001\u8cc7\u6e90\u306f0.5\u5bfe0.5\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u6700\u5927\u3082\u3064\u308c\u306f\u5fc5\u8981\u306a\u3060\u3051\u3067\u306a\u304f\u3001\u5bfe\u8c61\u306e\u30b7\u30e5\u30df\u30c3\u30c8\u652f\u6301\u3078\u306e\u5c40\u6240\u5c04\u5f71\u3068\u30c6\u30ec\u30dd\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u3001\u691c\u8a3c\u306b\u5341\u5206\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5f31\u3044\u3082\u3064\u308c\u306e\u57fa\u5e95\u3067\u3082\u3001\u5b8c\u5168\u306a\u8b58\u5225\u306f\u8efd\u304f\u306a\u3089\u306a\u3044\u5834\u5408\u304c\u3042\u308b<\/h2>\n<p>\u5404\u7814\u7a76\u5ba4\u306e\u5165\u529b\u304cd\u6b21\u5143\u3067\u3001d\u00b2\u500b\u306e\u72b6\u614b\u304b\u3089\u306a\u308b\u5b8c\u5168\u306a\u76f4\u4ea4\u57fa\u5e95\u3092\u8b58\u5225\u3059\u308b\u3068\u3057\u307e\u3059\u3002\u305d\u306e\u57fa\u5e95\u306b<strong>\u30b7\u30e5\u30df\u30c3\u30c8\u30e9\u30f3\u30afd\u306e\u72b6\u614b\u304c\u4e00\u3064\u3067\u3082\u3042\u308b<\/strong>\u3053\u3068\u3001\u3055\u3089\u306b\u7d14\u7c8b\u306a\u88dc\u52a9\u8cc7\u6e90\u306e\u5c40\u6240\u6b21\u5143\u304cd\u4ee5\u4e0b\u3067\u3042\u308b\u3053\u3068\u3092\u4eee\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u8b58\u5225\u3067\u304d\u308c\u3070\u3001\u305d\u306e\u30e9\u30f3\u30afd\u306e\u72b6\u614b\u3092\u691c\u8a3c\u3067\u304d\u307e\u3059\u3002\u5b9a\u74061\u304b\u3089\u8cc7\u6e90\u306e\u30e9\u30f3\u30af\u306fd\u4ee5\u4e0a\u3002\u4e00\u65b9\u3001\u8cc7\u6e90\u306e\u5c40\u6240\u6b21\u5143\u3092d\u4ee5\u4e0b\u306b\u9650\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u8cc7\u6e90\u306e\u30e9\u30f3\u30af\u3082d\u4ee5\u4e0b\u3067\u3059\u3002\u4e21\u5074\u304b\u3089\u631f\u307e\u308c\u3066\u30e9\u30f3\u30af\u304cd\u306b\u4e00\u81f4\u3057\u3001\u6700\u5927\u3082\u3064\u308c\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u30c6\u30ec\u30dd\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u5341\u5206\u6027\u3082\u5f97\u3089\u308c\u308b\u305f\u3081\u3001\u5b9a\u74062\u3067\u306f\u5fc5\u8981\u5341\u5206\u6761\u4ef6\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5177\u4f53\u4f8b\u3068\u3057\u3066\u30010 &lt; \u03b8 \u2264 \u03c0\/4\u3067\u3001\u6b21\u306e\u56db\u3064\u306e\u4e8c\u91cf\u5b50\u30d3\u30c3\u30c8\u72b6\u614b\u3092\u4e26\u3079\u307e\u3059\u3002\u3053\u308c\u306f\u5b9a\u7406\u3092\u8aad\u3080\u305f\u3081\u306b\u4f5c\u3063\u305f\u4f8b\u3067\u3059\u3002<\/p>\n<ul>\n<li>cos\u03b8 |00\u27e9 + sin\u03b8 |11\u27e9<\/li>\n<li>sin\u03b8 |00\u27e9 \u2212 cos\u03b8 |11\u27e9<\/li>\n<li>cos\u03b8 |01\u27e9 + sin\u03b8 |10\u27e9<\/li>\n<li>sin\u03b8 |01\u27e9 \u2212 cos\u03b8 |10\u27e9<\/li>\n<\/ul>\n<p>\u56db\u3064\u306f\u4e92\u3044\u306b\u76f4\u4ea4\u3057\u3001\u3059\u3079\u3066\u30e9\u30f3\u30af2\u3067\u3059\u3002\u03b8\u3092\u30bc\u30ed\u306b\u8fd1\u3065\u3051\u308c\u3070\u3001\u305d\u308c\u305e\u308c\u306e\u3082\u3064\u308c\u306f\u3069\u308c\u3060\u3051\u3067\u3082\u5f31\u304f\u3067\u304d\u307e\u3059\u3002\u305d\u308c\u3067\u3082\u3001\u56db\u3064\u3092LOCC\u3067\u5b8c\u5168\u306b\u8b58\u5225\u3057\u3001\u88dc\u52a9\u8cc7\u6e90\u3082\u4e8c\u91cf\u5b50\u30d3\u30c3\u30c8\u306e\u7d14\u7c8b\u72b6\u614b\u306b\u9650\u308b\u306a\u3089\u30011 ebit\u306e\u6700\u5927\u3082\u3064\u308c\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u03b8\u304c\u3061\u3087\u3046\u3069\u30bc\u30ed\u306a\u3089\u7a4d\u72b6\u614b\u306e\u57fa\u5e95\u306b\u306a\u308a\u3001\u3053\u306e\u6761\u4ef6\u306f\u5916\u308c\u307e\u3059\u3002\u300c\u975e\u5e38\u306b\u5c0f\u3055\u3044\u304c\u30bc\u30ed\u3067\u306a\u3044\u300d\u3068\u300c\u30bc\u30ed\u300d\u306e\u5dee\u304c\u6b8b\u308b\u306e\u306f\u3001\u4eca\u56de\u306e\u8ab2\u984c\u304c\u8aa4\u308a\u3082\u5931\u6557\u3082\u8a31\u3055\u306a\u3044\u305f\u3081\u3067\u3059\u3002\u6709\u9650\u306e\u8aa4\u5dee\u3092\u8a8d\u3081\u305f\u3068\u304d\u307e\u3067\u3001\u540c\u3058\u4e0d\u9023\u7d9a\u306a\u8981\u6c42\u304c\u7d9a\u304f\u3068\u306f\u3001\u3053\u306e\u5b9a\u7406\u3060\u3051\u3067\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n<h2>\u8cc7\u6e90\u306e\u6b21\u5143\u3092\u5909\u3048\u308b\u3068\u3001\u7d50\u8ad6\u3082\u5909\u308f\u308b<\/h2>\n<p>\u300c\u5f31\u3044\u3082\u3064\u308c\u3092\u8aad\u3080\u306b\u3082\u3001\u3044\u3064\u3067\u3082\u6700\u5927\u3082\u3064\u308c\u304c\u5fc5\u8981\u300d\u3068\u4e00\u822c\u5316\u3059\u308b\u306e\u306f\u65e9\u8a08\u3067\u3059\u3002\u8ad6\u6587\u306f\u3001\u88dc\u52a9\u8cc7\u6e90\u3092\u4e8c\u91cf\u5b50\u30d3\u30c3\u30c8\u304b\u3089\u4e8c\u3064\u306e\u4e09\u6e96\u4f4d\u7cfb\u3001\u3064\u307e\u308a\u4e8cqutrit\u3078\u5e83\u3052\u308b\u3068\u30011 ebit\u672a\u6e80\u306e\u8cc7\u6e90\u3067\u3082\u5b8c\u5168\u8b58\u5225\u3067\u304d\u308b\u4e8c\u91cf\u5b50\u30d3\u30c3\u30c8\u57fa\u5e95\u306e\u4f8b\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u8cc7\u6e90\u306e\u30e9\u30f3\u30af\u304c\u5bfe\u8c61\u3088\u308a\u5927\u304d\u3044\u3068\u3001\u7b49\u30e9\u30f3\u30af\u3092\u4f7f\u3046\u8a3c\u660e\u306e\u6761\u4ef6\u304c\u5916\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001d \u2265 3\u3067\u306f\u3001\u57fa\u5e95\u306b\u5b8c\u5168\u30e9\u30f3\u30af\u306e\u72b6\u614b\u304c\u3042\u308b\u3068\u3044\u3046\u6761\u4ef6\u3082\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u3082\u3064\u308c\u72b6\u614b\u3092\u542b\u3093\u3067\u3044\u3066\u3082\u3001\u3059\u3079\u3066\u306e\u30e9\u30f3\u30af\u304cd\u672a\u6e80\u306a\u3089\u3001d\u6b21\u5143\u306e\u6700\u5927\u3082\u3064\u308c\u3088\u308a\u5c11\u306a\u3044\u8cc7\u6e90\u3067\u8b58\u5225\u3067\u304d\u308b\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div style=\"max-width:100%;overflow-x:auto;\">\n<table style=\"min-width:650px;\">\n<thead>\n<tr>\n<th>\u78ba\u8a8d\u3059\u308b\u6761\u4ef6<\/th>\n<th>\u4eca\u56de\u306e\u7d50\u8ad6\u3092\u8aad\u3080\u969b\u306e\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u691c\u8a3c\u30fb\u8b58\u5225\u306f\u78ba\u5b9f\u3067\u3001\u8aa4\u308a\u3092\u8a31\u3055\u306a\u3044\u304b<\/td>\n<td>\u7d71\u8a08\u7684\u306a\u691c\u8a3c\u3084\u8fd1\u4f3c\u7684\u306a\u8b58\u5225\u306b\u3001\u305d\u306e\u307e\u307e\u540c\u3058\u5fc5\u8981\u91cf\u3092\u5f53\u3066\u306f\u3081\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u88dc\u52a9\u8cc7\u6e90\u306f\u7d14\u7c8b\u72b6\u614b\u3067\u3001\u6b21\u5143\u306b\u5236\u7d04\u304c\u3042\u308b\u304b<\/td>\n<td>\u30e9\u30f3\u30af\u3068\u6b21\u5143\u306e\u5236\u7d04\u3092\u5916\u3059\u3068\u3001\u6700\u5927\u3082\u3064\u308c\u304c\u5fc5\u8981\u3068\u3044\u3046\u7d50\u8ad6\u304c\u5909\u308f\u308a\u5f97\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u5b8c\u5168\u306a\u76f4\u4ea4\u57fa\u5e95\u306b\u3001\u5b8c\u5168\u30e9\u30f3\u30af\u306e\u72b6\u614b\u304c\u3042\u308b\u304b<\/td>\n<td>\u4e00\u90e8\u306e\u72b6\u614b\u3060\u3051\u3092\u8b58\u5225\u3059\u308b\u8ab2\u984c\u3084\u3001\u5b8c\u5168\u30e9\u30f3\u30af\u304c\u306a\u3044\u57fa\u5e95\u3068\u533a\u5225\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u6e2c\u5b9a\u5f8c\u306e\u72b6\u614b\u307e\u3067\u518d\u73fe\u3057\u305f\u3044\u304b<\/td>\n<td>\u3053\u3053\u3067\u306e\u57fa\u5e95\u6e2c\u5b9a\u306e\u5b9f\u88c5\u306f\u3001\u4efb\u610f\u306e\u5165\u529b\u306b\u5bfe\u3059\u308b\u7d50\u679c\u306e\u78ba\u7387\u3092\u518d\u73fe\u3059\u308b\u610f\u5473\u3002\u6e2c\u5b9a\u5f8c\u306e\u72b6\u614b\u306f\u6307\u5b9a\u3057\u306a\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u30e9\u30f3\u30af\u306f\u300c\u4f55\u7a2e\u985e\u306e\u72ec\u7acb\u306a\u6210\u5206\u304c\u5fc5\u8981\u304b\u300d\u3001\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306f\u300c\u305d\u306e\u91cd\u307f\u304c\u3069\u308c\u307b\u3069\u5747\u7b49\u304b\u300d\u3092\u6349\u3048\u307e\u3059\u3002\u3053\u306e\u4e8c\u3064\u3092\u5206\u3051\u308b\u3068\u3001\u5bfe\u8c61\u306e\u3082\u3064\u308c\u306e\u5f31\u3055\u3060\u3051\u304b\u3089\u3001\u6e2c\u5b9a\u306b\u5fc5\u8981\u306a\u8cc7\u6e90\u3092\u898b\u7a4d\u3082\u308c\u306a\u3044\u7406\u7531\u304c\u898b\u3048\u3066\u304d\u307e\u3059\u3002\u4eca\u56de\u306e\u6210\u679c\u306f\u7406\u8ad6\u7684\u306a\u8a3c\u660e\u3068\u9069\u7528\u7bc4\u56f2\u306e\u6574\u7406\u3067\u3042\u308a\u3001\u5b9f\u6a5f\u306e\u6e2c\u5b9a\u8aa4\u5dee\u3084\u3082\u3064\u308c\u4f9b\u7d66\u30b3\u30b9\u30c8\u3092\u6e2c\u3063\u305f\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li>Somshubhro Bandyopadhyay, <a href=\"https:\/\/arxiv.org\/abs\/2611.05317v1\">Simple proof of conditions requiring maximal entanglement for local state verification and discrimination<\/a>, arXiv:2611.05317v1\u30012026\u5e7411\u67083\u65e5\u3002\u5b9a\u74061\u30fb2\u3001\u7cfb1\u30fb2\u3001\u7bc05.1\u30fb5.2\u3092\u53c2\u7167\u3002\u65e2\u77e5\u306e\u691c\u8a3c\u6761\u4ef6\u306e\u539f\u51fa\u5178\u3068\u3001\u9ad8\u6b21\u5143\u8cc7\u6e90\u306b\u3088\u308b\u4f8b\u306e\u51fa\u5178\u306f\u540c\u8ad6\u6587\u4e2d\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u3082\u3064\u308c\u306e\u5f31\u3044\u91cf\u5b50\u72b6\u614b\u306a\u3089\u3001\u305d\u308c\u3092\u96e2\u308c\u305f\u5834\u6240\u304b\u3089\u898b\u5206\u3051\u308b\u305f\u3081\u306e\u8cc7\u6e90\u3082\u5c11\u306a\u304f\u3066\u6e08\u3080\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u7b54\u3048\u306f\u3001\u3069\u308c\u3060\u3051\u6b63\u78ba\u306b\u898b\u5206\u3051\u308b\u304b\u3001\u305d\u3057\u3066\u4f7f\u3048\u308b\u8cc7\u6e90\u306e\u5927\u304d\u3055\u306b\u3088\u3063\u3066\u5909\u308f\u308a\u307e\u3059\u3002 \u30a4\u30f3\u30c9\u306eBose Institute\u306b\u6240\u5c5e\u3059\u308bS [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2411,"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":[30],"tags":[482],"class_list":["post-2413","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computing","tag-local-state-verification"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/11\/qs-local-state-verification-entanglement-20261106-58b447886d1f.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/2413","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=2413"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/2413\/revisions"}],"predecessor-version":[{"id":2415,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/2413\/revisions\/2415"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/2411"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}