WAVEDER: Difference between revisions
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<math> \langle \phi_{n'k} |{\bf S} | \frac{\partial \phi_{nk}}{\partial k_i}\rangle = \frac{1}{\epsilon_{nk} -\epsilon_{n'k}} \langle \phi_{n'k} | \frac{\partial (\mathbf{ H} - \epsilon_{nk} \mathbf{S})}{\partial k_i} | \phi_{nk} \rangle. </math> | <math> \langle \phi_{n'k} |{\bf S} | \frac{\partial \phi_{nk}}{\partial k_i}\rangle = \frac{1}{\epsilon_{nk} -\epsilon_{n'k}} \langle \phi_{n'k} | \frac{\partial (\mathbf{ H} - \epsilon_{nk} \mathbf{S})}{\partial k_i} | \phi_{nk} \rangle. </math> | ||
== Related Tags and Sections == | == Related Tags and Sections == | ||
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[[Category:Files]][[Category:Input files]][[Category:Output files]] | |||
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Latest revision as of 08:14, 20 October 2023
The file WAVEDER contains the derivative of the orbitals with respect to k, more precisely the matrix