[Pw_forum] Potentials between two charged particles

[Baowei Liu]

Dear all members,

I am trying to calculate the potential between two ions, -- A(+2) and A(+1)
for example. When the two ions are far away from each other, there's only
Coulumb potential. But when the two ions are close enough, the electron
distribution will be important for the potential.  Can QE be used to
calculate the energy or charge density for a system of two charged
particles? It will be great if QE can give the energy for different
distances. Just setting the tot_charge (=+3 in this example) is kind of not
what I want.

Thanks in advance.

Baowei Liu
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