| Back to the main page of this manual | Input reference of CP2K version 8.2 | 
CP2K_INPUT /
               FORCE_EVAL /
               MM /
               PERIODIC_EFIELDDISPLACEMENT_FIELD {Logical} | 
               |
| Use the displacement field formulation. | |
| This keyword cannot be repeated and it expects precisely one logical. | |
                     The lone keyword behaves as a switch to
                     .TRUE. | 
               |
                     Default value:
                     .FALSE. | 
               |
| This keyword cites the following reference: [Stengel2009] | 
D_FILTER {Real} {Real} {Real} | 
               |
| Filter for displacement field (x,y,z-dirction) | |
| This keyword cannot be repeated and it expects precisely 3 reals. | |
                     Default values:
                     1.00000000E+000 1.00000000E+000 1.00000000E+000 | 
               
INTENSITY {Real} | 
               |
| Intensity of the electric field in a.u | |
| This keyword cannot be repeated and it expects precisely one real. | |
                     Default value:
                     0.00000000E+000 | 
               
POLARISATION {Real} {Real} {Real} | 
               |
| Polarisation vector of electric field | |
| This keyword cannot be repeated and it expects precisely 3 reals. | |
                     Default values:
                     0.00000000E+000 0.00000000E+000 1.00000000E+000 | 
               
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