[CP2K-user] external electric field on slab system

[Dr. Hongxia Hao PhD]

Dear all,

I am trying to apply an external z-direction electric field on a slab 
system which is periodic on XY direction and non-periodic on Z direction. 
Could I use the following command?


&EXTERNAL_POTENTIAL
      FUNCTION (A/B)*Z
      VALUES [eV] 0.2 [angstrom] 1.0
      PARAMETERS A B
    &END EXTERNAL_POTENTIAL


Sincerely
Laura
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