All Is Not Well with Classical Mechanics

这一章是进入量子力学前的序言，比较简单没什么好说的，就是经典力学做不到的那些老生常谈。

3.1 Particles and Waves in Classical Physics

\nabla^2\psi=\frac1{c^2}\frac{\partial^2\psi}{\partial t^2}\quad\quad\quad\psi(\vec{r},t)
\psi(\mathbf{r},t)=Ae^{i(\mathbf{k}\cdot\mathbf{r}-\omega t)},\quad\omega=|\mathbf{k}|v

3.2 An Experiment with Waves and Particles (Classical)

what particles and waves will do in the double-slit experiment.

3.3 The Double-Slit Experiment with Light

each bundle carries the same energy ​E.

each bundle carries the same momentum ​p.

​E=pc, these bundles are particles of zero mass.

​E=\hbar\omega, ​p=\hbar k

3.4 Matter Waves (de Broglie Waves)

3.5 Conclusions

什么？很少？对，我确实觉得没什么可写的（跑