<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>eRrion 的小屋</title><description>这个人很神秘，什么都留下了</description><link>https://mr-errion.github.io/</link><language>zh-CN</language><item><title>把 Codex 变成凝聚态物理研究工作台：用一条 Workflow 串起全部 Skills</title><link>https://mr-errion.github.io/posts/ai-for-physics-study/</link><guid isPermaLink="true">https://mr-errion.github.io/posts/ai-for-physics-study/</guid><description>以二维 Hubbard 模型的条纹序问题为例，把当前 Codex Skills 串成一条从选题、文献、推导、数值实验到论文交付和流程复用的凝聚态科研工作流。</description><pubDate>Mon, 31 Aug 2026 00:00:00 GMT</pubDate></item><item><title>辛几何：经典力学的自然语言</title><link>https://mr-errion.github.io/posts/symplectic-geometry/</link><guid isPermaLink="true">https://mr-errion.github.io/posts/symplectic-geometry/</guid><description>从哈密顿方程出发，理解辛形式为何比坐标更接近经典动力学的本质。</description><pubDate>Sun, 30 Aug 2026 00:00:00 GMT</pubDate></item><item><title>Hamilton–Jacobi 方程与 Lagrange 子流形</title><link>https://mr-errion.github.io/posts/hamilton-jacobi/</link><guid isPermaLink="true">https://mr-errion.github.io/posts/hamilton-jacobi/</guid><description>把作用量看作生成函数，理解经典轨道族如何成为相空间中的几何对象。</description><pubDate>Sat, 29 Aug 2026 00:00:00 GMT</pubDate></item><item><title>动量映射与 Noether 定理</title><link>https://mr-errion.github.io/posts/moment-map-noether/</link><guid isPermaLink="true">https://mr-errion.github.io/posts/moment-map-noether/</guid><description>对称性如何在辛流形上产生守恒量，以及 Lie 群作用为何是正确的组织语言。</description><pubDate>Fri, 28 Aug 2026 00:00:00 GMT</pubDate></item><item><title>路径积分中的经典极限</title><link>https://mr-errion.github.io/posts/path-integral/</link><guid isPermaLink="true">https://mr-errion.github.io/posts/path-integral/</guid><description>驻相近似如何把量子振幅重新组织成经典轨道。</description><pubDate>Tue, 18 Aug 2026 00:00:00 GMT</pubDate></item><item><title>临界点附近，尺度意味着什么</title><link>https://mr-errion.github.io/posts/ising-criticality/</link><guid isPermaLink="true">https://mr-errion.github.io/posts/ising-criticality/</guid><description>从关联长度到普适性，建立连续相变的几何直觉。</description><pubDate>Wed, 05 Aug 2026 00:00:00 GMT</pubDate></item></channel></rss>