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For the sake of completeness the energy dispersion relation (q.v. (4.4) and (3.55)) after transformation to dimensionless units is given below:
![$\displaystyle \mathscr{E}\left(X\right)=\left\{\begin{array}{l r} \frac{X^{2}}{...
...{X^{2}+\zeta^{2}}+\zeta&\text{for}\enspace \zeta>1\enspace. \end{array} \right.$](img581.png) |
(4.16) |
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T. Windbacher: Engineering Gate Stacks for Field-Effect Transistors