Section PERIODIC_EFIELD

• parameters for finite periodic electric field computed using the Berry phase approach. IMPORTANT: Can only be used in combination with OT. Can not be used in combination with RTP or EMD.

• Section path: CP2K_INPUT / FORCE_EVAL / DFT / PERIODIC_EFIELD

• This section can be repeated and cannot be optional.

• Subsections

  • none

• Keywords

  • INTENSITY
  • POLARISATION

• Keyword descriptions

  INTENSITY
  	INTENSITY 0.001
  	Intensity of the electric field in a.u
  	This optional keyword cannot be repeated and it expects precisely one real.
  	Default value: 0.00000000E+00

  POLARISATION
  	POLARISIATION 0.0 0.0 1.0
  	Polarisation vector of electric field
  	This optional keyword cannot be repeated and it expects precisely 3 reals.
  	Default values: 0.00000000E+00 0.00000000E+00 1.00000000E+00