{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fparticle-physics.hateblo.jp%2Fentry%2F2019%2F05%2F17%2F194611\" title=\"3.2.3 \u30b7\u30b0\u30de\u6a21\u578b\u306e\u6442\u52d5\u8ad6 p.40 - \u7d20\u7c92\u5b50\u7269\u7406\u5b66\u535a\u58eb\u306e\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","provider_url":"https://hatena.blog","title":"3.2.3 \u30b7\u30b0\u30de\u6a21\u578b\u306e\u6442\u52d5\u8ad6 p.40","url":"https://particle-physics.hateblo.jp/entry/2019/05/17/194611","description":"\u30c6\u30ad\u30b9\u30c8\uff1a \u5f26\u3068\u30d6\u30ec\u30fc\u30f3 (3.78): \u76f8\u95a2\u95a2\u6570 \u76f8\u95a2\u95a2\u6570\u306e\u5b9a\u7fa9\u304c\u66f8\u3044\u3066\u3044\u306a\u3044\u304c\u3001\\begin{align}\\langle f(x) \\rangle &\\equiv \\frac{\\int d^n x e^{-S}f(x)}{\\int d^n x e^{-S}} \\end{align}\u3067\u3042\u308b\u3002(3.78)\u306f\u5f8c\u3067\u6c42\u3081\u308b\u751f\u6210\u6c4e\u95a2\u6570Z[J](3.80)\u3092\u5fae\u5206\u3057\u305f\u5f8c\u306bJ=0\u3068\u3059\u308c\u3070\u51fa\u308b\u3002\\begin{align}\\langle x_i x_j \\rangle &= \\left[\\frac{\\partial }{\\partial x_i}\\frac{\\partial}{\\partial x_j} Z[J\u2026","version":"1.0","blog_title":"\u7d20\u7c92\u5b50\u7269\u7406\u5b66\u535a\u58eb\u306e\u30e1\u30e2","author_name":"ph_D","categories":["\u5f0f\u8a08\u7b97"],"provider_name":"Hatena Blog","type":"rich","author_url":"https://blog.hatena.ne.jp/ph_D/","width":"100%","blog_url":"https://particle-physics.hateblo.jp/","published":"2019-05-17 19:46:11","image_url":"https://www16.a8.net/0.gif?a8mat=35FBAA+5BPLKI+2HOM+BW8O1"}