[gmx-users] epsion_surface

[Mark Abraham]

lammps lammps wrote:
> Hi,
> 
> I do not know why the manual give a note about the parameter of 
> epsion_surface : Be careful - you shouldn’t use this if you have free 
> mobile charges in your system. WHY?
> 
> Could some kind people give me an explanation or some references?

You need to read some of the original Ewald papers. Follow references 
from the PME papers referenced in the manual.

Mark