Van der Waals pressure between planar half-spaces (source code)

= Van der Waals pressure between planar half-spaces
{c}
{title2=$P=-A_H/(6\pi d^3)$}

The nonretarded attractive normal pressure obtained by differentiating the half-space interaction energy per area: $P=-A_H/(6\pi d^3)$. Total force additionally requires the interacting area.