墨子“为牛庐者夏寒”的理解 2014-07-14

本文是个人对网友相关问题的一个回复，供有兴趣的人参考： 问： 墨子经说下中有一句“为牛庐者夏寒”。孙冶让《墨子间诂》中对这句的注释说。 《 ...

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Interfacial Numerical Dispersion and New Conformal FDTD 2012-12-14

http://arxiv.org/abs/1111.4289    Abs: This article shows the interfacial relation in electrodynamics shall be corrected in discrete grid ...

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Localization and Deformation Invariance 2012-12-14

localization and deformation invariance.pdf Review of some interesting topics in physics, pls see attachment. Abs: This note gives a detai ...

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A note on bound estimation. 2012-12-14

bound estimation.pdf   Review of some interesting topics in physics, pls see attachment. Abs: 1 Eigenvalues of angular momentum. 2 Supe ...

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A comment on i\epsilon prescription in QFT. 2012-12-14

Two point function or Feyman propagator of K-G field  G_2=D_f (x)=theta(t)D(x)+theta(-t)D(-x)  describe the amplitude of particle propa ...

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偶然翻出的电动力学笔记 2012-12-14

以前的总结，随便贴点，可能对某些同学初学理解有点用，不好写 公式，就贴文字，年代久远理解偏漏在所难免 物理世界的尺度：宇观-宏观-微观 + 介观 ...

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