events:2016_summer_school:gpw
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| events:2016_summer_school:gpw [2018/06/16 21:36] – [Energy ripples] mwatkins | events:2016_summer_school:gpw [2020/08/21 10:15] (current) – external edit 127.0.0.1 | ||
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| \sum_{\alpha \beta} P_{\alpha \beta} \bar{\phi}_{\alpha \beta} (\mathbf{r}) = n(\mathbf{R}) | \sum_{\alpha \beta} P_{\alpha \beta} \bar{\phi}_{\alpha \beta} (\mathbf{r}) = n(\mathbf{R}) | ||
| $$ | $$ | ||
| - | where n(R) is the density at grid points in the cell, and ˉϕαβ are the products of two basis functions | + | where n(R) is the density at grid points in the cell, and ˉϕαβ are the products of two basis functions. |
| - | {{materials/ | + | |
| * numerical approximation of the gradient n(R)→∇n(R) | * numerical approximation of the gradient n(R)→∇n(R) | ||
events/2016_summer_school/gpw.1529184991.txt.gz · Last modified: 2020/08/21 10:14 (external edit)