{"id":2177,"date":"2026-11-05T18:00:00","date_gmt":"2026-11-05T09:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=2177"},"modified":"2026-11-05T04:34:49","modified_gmt":"2026-11-04T19:34:49","slug":"qs-kerr-cat-autonomous-cooling-20261105","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=2177","title":{"rendered":"Kerr-cat\u306e\u30d3\u30c3\u30c8\u53cd\u8ee2\u6642\u9593\u3092\u7d04450\u79d2\u3078\u5ef6\u3070\u3059\u3001\u81ea\u5f8b\u51b7\u5374\u306e\u4ed5\u7d44\u307f"},"content":{"rendered":"<p>\u91cf\u5b50\u30d3\u30c3\u30c8\u306e\u8aa4\u308a\u3092\u3001\u4e00\u65b9\u5411\u3060\u3051\u3067\u3082\u8d77\u304d\u306b\u304f\u304f\u3067\u304d\u308c\u3070\u3001\u8aa4\u308a\u8a02\u6b63\u306b\u5fc5\u8981\u306a\u8ca0\u62c5\u3092\u6e1b\u3089\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u8003\u3048\u65b9\u3092\u5b9f\u88c5\u3059\u308b\u30ad\u30e3\u30c3\u30c8\u91cf\u5b50\u30d3\u30c3\u30c8\u3067\u306f\u3001\u8d85\u4f1d\u5c0e\u56de\u8def\u306e\u632f\u52d5\u3092\u3001\u4e92\u3044\u306b\u53cd\u5bfe\u5411\u304d\u306e\u4e8c\u3064\u306e\u72b6\u614b\u3068\u3057\u3066\u4f7f\u3044\u307e\u3059\u3002\u554f\u984c\u306f\u3001\u305d\u306e\u4e8c\u3064\u306e\u9593\u3092\u98db\u3073\u79fb\u308b\u8aa4\u308a\u3092\u3069\u3046\u6291\u3048\u306a\u304c\u3089\u3001\u91cf\u5b50\u72b6\u614b\u306e\u64cd\u4f5c\u3084\u8aad\u307f\u51fa\u3057\u3092\u7d9a\u3051\u308b\u304b\u3067\u3059\u3002<\/p>\n<p>2026\u5e7411\u67083\u65e5\u3001\u30ef\u30a4\u30c4\u30de\u30f3\u79d1\u5b66\u7814\u7a76\u6240\u306eSergey 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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>\u4e8c\u3064\u306e\u8ad6\u7406\u72b6\u614b\u306e\u9593\u3092\u98db\u3073\u79fb\u308a\u3084\u3059\u304f\u3059\u308b\u300c\u4f59\u5206\u306a\u52b1\u8d77\u300d\u3092\u3001\u8aad\u307f\u51fa\u3057\u7528\u306e\u56de\u8def\u3078\u79fb\u3057\u3066\u6563\u9038\u3055\u305b\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u8ffd\u52a0\u306e\u51b7\u5374\u5c02\u7528\u99c6\u52d5\u3084\u56de\u8def\u7d20\u5b50\u3092\u4f7f\u308f\u305a\u306b\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002<\/li>\n<li>\u6700\u9577\u306e448\u00b157\u79d2\u306f\u3001\u7e70\u308a\u8fd4\u3057\u8aad\u307f\u51fa\u3057\u305f\u8a18\u9332\u306e\u53cd\u8ee2\u56de\u6570\u304b\u3089\u63a8\u5b9a\u3057\u305f\u30d3\u30c3\u30c8\u53cd\u8ee2\u6642\u9593\u3067\u3059\u3002\u5225\u7a2e\u306e\u8aa4\u308a\u3067\u3042\u308b\u4f4d\u76f8\u53cd\u8ee2\u306f\u3001\u306f\u308b\u304b\u306b\u77ed\u3044\u6642\u9593\u3067\u8d77\u3053\u308a\u307e\u3059\u3002<\/li>\n<li>\u9ad8\u901f\u306aZ\u64cd\u4f5c\u3068\u5c0f\u3055\u306a\u8aad\u307f\u51fa\u3057\u8d77\u56e0\u306e\u53cd\u8ee2\u3082\u8abf\u3079\u3066\u3044\u307e\u3059\u304c\u3001\u6e2c\u5b9a\u6761\u4ef6\u306f\u4e00\u3064\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6700\u9577\u5bff\u547d\u3001\u4f4d\u76f8\u4fdd\u6301\u3001\u64cd\u4f5c\u6027\u80fd\u3092\u540c\u3058\u52d5\u4f5c\u70b9\u306e\u6210\u7e3e\u3068\u3057\u3066\u307e\u3068\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u58c1\u3092\u9ad8\u304f\u3059\u308b\u3060\u3051\u3067\u306f\u3001\u52b1\u8d77\u304c\u6b8b\u308b<\/h2>\n<p>\u3053\u3053\u3067\u3044\u3046\u30ad\u30e3\u30c3\u30c8\u91cf\u5b50\u30d3\u30c3\u30c8\u306f\u3001\u5171\u632f\u5668\u306e\u632f\u52d5\u306e\u632f\u5e45\u3068\u4f4d\u76f8\u3067\u8868\u3055\u308c\u308b\u4e8c\u3064\u306e\u72b6\u614b\u306b\u60c5\u5831\u3092\u6301\u305f\u305b\u308b\u65b9\u5f0f\u3067\u3059\u3002Kerr-cat\u3067\u306f\u3001\u632f\u52d5\u306e\u5f37\u3055\u306b\u3088\u3063\u3066\u5fdc\u7b54\u304c\u5909\u308f\u308b<strong>\u30ab\u30fc\u975e\u7dda\u5f62\u6027<\/strong>\u3068\u3001\u4e8c\u5149\u5b50\u99c6\u52d5\u3092\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\u3002\u305d\u306e\u50cd\u304d\u306f\u3001\u4e8c\u3064\u306e\u8c37\u3068\u3001\u305d\u308c\u3089\u3092\u9694\u3066\u308b\u58c1\u306e\u3042\u308b\u5730\u5f62\u306b\u305f\u3068\u3048\u3089\u308c\u307e\u3059\u3002\u4e8c\u3064\u306e\u8c37\u306e\u5e95\u304c\u8ad6\u7406\u72b6\u614b\u306b\u5bfe\u5fdc\u3057\u3001\u8c37\u304b\u3089\u8c37\u3078\u306e\u79fb\u52d5\u304c\u30d3\u30c3\u30c8\u53cd\u8ee2\u3067\u3059\u3002<\/p>\n<p>\u5e73\u5747\u5149\u5b50\u6570\u3092\u5897\u3084\u3059\u3068\u4e8c\u3064\u306e\u72b6\u614b\u306e\u9694\u305f\u308a\u304c\u5927\u304d\u304f\u306a\u308a\u3001\u30d3\u30c3\u30c8\u53cd\u8ee2\u306f\u8d77\u3053\u308a\u306b\u304f\u304f\u306a\u308b\u3068\u671f\u5f85\u3055\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30ce\u30a4\u30ba\u3067\u72b6\u614b\u304c\u8c37\u306e\u9ad8\u3044\u4f4d\u7f6e\u3078\u52b1\u8d77\u3055\u308c\u308b\u3068\u3001\u3082\u3046\u4e00\u65b9\u306e\u8c37\u3078\u79fb\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u58c1\u3092\u7528\u610f\u3059\u308b\u3053\u3068\u3068\u3001\u58c1\u306e\u8fd1\u304f\u307e\u3067\u4e0a\u304c\u3063\u305f\u72b6\u614b\u3092\u4e0b\u3078\u623b\u3059\u3053\u3068\u306f\u5225\u306e\u4ed5\u4e8b\u3067\u3059\u3002\u5f93\u6765\u306eKerr-cat\u3067\u306f\u3001\u3053\u306e\u52b1\u8d77\u304c\u30d3\u30c3\u30c8\u53cd\u8ee2\u6642\u9593\u3092\u30df\u30ea\u79d2\u7a0b\u5ea6\u306b\u5236\u9650\u3059\u308b\u8981\u56e0\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u4eca\u56de\u306e\u7126\u70b9\u306f\u3001\u9589\u3058\u8fbc\u3081\u3092\u5f37\u3081\u308b\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u98db\u3073\u79fb\u308a\u3092\u52a9\u3051\u308b\u52b1\u8d77\u3092\u7d99\u7d9a\u7684\u306b\u53d6\u308a\u9664\u304f<\/strong>\u3053\u3068\u3067\u3059\u3002\u306a\u304a\u3001\u6563\u9038\u3092\u5229\u7528\u3059\u308b\u5225\u65b9\u5f0f\u306e\u30ad\u30e3\u30c3\u30c8\u91cf\u5b50\u30d3\u30c3\u30c8\u306b\u306f\u3001\u3059\u3067\u306b100\u79d2\u3092\u8d85\u3048\u308b\u5831\u544a\u304c\u3042\u308a\u307e\u3059\u3002\u8457\u8005\u3089\u304c\u8ff0\u3079\u308b\u300c\u5f93\u6765\u3088\u308a5\u6841\u4ee5\u4e0a\u300d\u3068\u3044\u3046\u6bd4\u8f03\u306f\u3001\u904e\u53bb\u306eKerr-cat\u306e\u5b9f\u8a3c\u306b\u5bfe\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2>\u8aad\u307f\u51fa\u3057\u306e\u56de\u8def\u3092\u3001\u52b1\u8d77\u306e\u51fa\u53e3\u306b\u3082\u3059\u308b<\/h2>\n<p>\u7814\u7a76\u30c1\u30fc\u30e0\u306f\u3001SNAIL\u3068\u547c\u3070\u308c\u308b\u30b8\u30e7\u30bb\u30d5\u30bd\u30f3\u63a5\u5408\u3092\u4f7f\u3063\u305f\u975e\u7dda\u5f62\u56de\u8def\u3092\u7528\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u56de\u8def\u306b\u306f\u3001\u91cf\u5b50\u30d3\u30c3\u30c8\u5074\u306e\u4e8c\u3064\u306e\u5149\u5b50\u3068\u3001\u8aad\u307f\u51fa\u3057\u5171\u632f\u5668\u5074\u306e\u4e00\u3064\u306e\u5149\u5b50\u3092\u4ea4\u63db\u3059\u308b\u76f8\u4e92\u4f5c\u7528\u304c\u3042\u308a\u307e\u3059\u3002\u5f93\u6765\u304b\u3089\u9589\u3058\u8fbc\u3081\u306e\u305f\u3081\u306e\u4e8c\u5149\u5b50\u99c6\u52d5\u3092\u751f\u3080\u3053\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u3001\u51b7\u5374\u306b\u3082\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u99c6\u52d5\u306e\u6761\u4ef6\u3092\u8abf\u6574\u3057\u3001\u8c37\u306e\u4e2d\u306e\u52b1\u8d77\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u9593\u9694\u3068\u3001\u99c6\u52d5\u5468\u6ce2\u6570\u304b\u3089\u898b\u305f\u8aad\u307f\u51fa\u3057\u56de\u8def\u306e\u5468\u6ce2\u6570\u5dee\u304c\u5408\u3046\u3068\u3001\u52b1\u8d77\u304c\u8aad\u307f\u51fa\u3057\u5074\u3078\u79fb\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u8aad\u307f\u51fa\u3057\u5074\u3067\u306f\u5149\u5b50\u304c\u5916\u3078\u5931\u308f\u308c\u308b\u305f\u3081\u3001\u52b1\u8d77\u304c\u91cf\u5b50\u30d3\u30c3\u30c8\u3078\u623b\u308b\u524d\u306b\u7cfb\u5916\u3078\u9003\u3052\u307e\u3059\u3002\u3053\u3053\u3067\u306e\u300c\u51b7\u5374\u300d\u306f\u3001\u3053\u306e\u4f59\u5206\u306a\u52b1\u8d77\u306e\u5360\u6709\u3092\u6e1b\u3089\u3059\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002\u88c5\u7f6e\u5168\u4f53\u306e\u6e29\u5ea6\u3092\u65b0\u305f\u306a\u51b7\u51cd\u6a5f\u3067\u4e0b\u3052\u305f\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<figure class=\"wp-block-image\"><a href=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/11\/qs-kerr-cat-autonomous-cooling-20261105-figure3-30679d37ebf0.png\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/11\/qs-kerr-cat-autonomous-cooling-20261105-figure3-30679d37ebf0.png\" alt=\"\u91cf\u5b50\u30d3\u30c3\u30c8\u5185\u306e\u4f59\u5206\u306a\u52b1\u8d77\u304c\u3001\u5171\u9cf4\u3057\u305f\u8aad\u307f\u51fa\u3057\u56de\u8def\u307e\u305f\u306f\u30d5\u30a3\u30eb\u30bf\u30fc\u3078\u79fb\u308a\u3001\u5149\u5b50\u306e\u6563\u9038\u3068\u3057\u3066\u5916\u3078\u629c\u3051\u308b\u6d41\u308c\" style=\"width:100%;height:auto;\" \/><\/a><figcaption>\u8ad6\u6587\u306e\u6a5f\u69cb\u8aac\u660e\u3092\u57fa\u306bQuantum 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Rosenblum\u6c0f\u306f\u540c\u793e\u306e\u682a\u4e3b\u3067\u3042\u308b\u3068\u958b\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li>Sergey Hazanov\u307b\u304b\u300c<a href=\"https:\/\/arxiv.org\/abs\/2611.04868v1\">Autonomous cooling of Kerr-cat qubits to minutes-long bit-flip times<\/a>\u300d\u3001arXiv:2611.04868v1\u30012026\u5e7411\u67083\u65e5\u63d0\u51fa\u3002\u672c\u6587\u30fbMethods\u30fb\u88dc\u8db3\u8cc7\u6599\u3092\u542b\u3080<a 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