The results are compared with the widely-used local-density approximation (LDA ).
The local density approximation (LDA) is shown to be inadequate for calculating the band-gap narrowing.
The LDA want the panel to cover construction risk, liability, advance loss of revenue and latent defects.
Figure 7.14: The energy for a hydrogenated dimer rotating over the trench from LDA.
hydrogenated dimer rotating over the trench from LDA.