[Octopus-users] using MGGA from libxc
nazarov at gate.sinica.edu.tw
Sat Jan 22 12:37:28 WET 2011
I have a (probably naive) question about libxc library:
I want to know the xc potential within MGGA.
For this, I call xc_mgga_vxc. But how to construct v_xc(r) from the
xc_mgga_vxc: We evidently need \delta tau / \delta \rho, which is not
among the output parameters of xc_mgga_vxc ?
(\tau is the kinetic energy density, and \rho is the density).
Thank you very much in advance.
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