The Ewald_dipole or pppm_dipole is based on the paper of Toukmaji and Sagui in 2000. The example of the paper is water MD simulations. How can i reperform simulations of RPOL or POL water model on lammps? Namely, How can i generate the data file and input file of RPOL or POL water model?
reference: Efficient particle-mesh Ewald based approach to fixed and induced dipolar interactions. Abdulnour Toukmaji; Celeste Sagui; John Board; Tom Darden. J. Chem. Phys. 113, 10913–10927 (2000). Efficient particle-mesh Ewald based approach to fixed and induced dipolar interactions | The Journal of Chemical Physics | AIP Publishing