檢視 $negfionizedimpurity 的原始碼

$negfionizedimpurity  is the command to setup the related parameters of ionized impurity scattering.<br>
The equation of ionized impurity scattering:
  <math>W_{imp}(k)=4\pi F(\frac{2k}{\lambda})^{2}[\frac{1}{\sin^2(\frac{\theta}{2})+(\frac{\lambda}{2k})^2}]^{2}</math><br>
  <math>F=\frac{1}{\hbar}[\frac{}{}]^{2}</math>