[gmx-users] PME, epsilon_rf and dielectric constant calculation

[Mark Abraham]

> Dear Mark,
>
> I read the manual few times looking for a clue. The only thing I could
> understand it that epsilon_rf is not taking inti account if I don't use
> reaction field.

7.3.9 clearly says "epsilon_rf: (1) The relative dielectric constant of
the reaction field. This is only used with reaction-field electrostatics.
A value of 0 means infinity."

Mark