The screened Coulomb (Yukawa) potential is given by \( U = \epsilon \exp(-\kappa (r/\sigma - 1)) / (r/\sigma) \) Note that \(\kappa\) is dimensionless in this definition.
Public Functions
args:
kappa: set the value of the kappa parameter (default: 1).
Set the value of the kappa parameter.
Output a serialized version of the existing model.