A poisson P3M force field scheme for particle-based simulations of ionic liquids

S. Aboud, D. Marreiro, M. Saraniti, R. Eisenberg

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


In this work we propose a force-field scheme for the self-consistent particle-based simulation of electrolytic solutions. Within this approach, the electrostatic interactions are modeled with a particle-particle-particle-mesh (P3M) algorithm, where the long-range components of the force are resolved in real space with an iterative multi-grid Poisson solver. Simulations are performed where the solute ions are treated as Brownian particles governed by the full Langevin equation, while the effects of the solvent are accounted for with the implicit solvent model. The main motivation of this work is to efficiently extend the modeling capability of the standard particle-based approaches to liquid systems characterized by a spatially inhomogeneous charge distribution and realistic, non-periodic boundary conditions. Examples of such systems are large polymer chains, biological membranes, and ion channels.

Original languageEnglish (US)
Pages (from-to)117-133
Number of pages17
JournalJournal of Computational Electronics
Issue number2
StatePublished - Apr 2004
Externally publishedYes


  • Brownian dynamics
  • Force field
  • Ion channels
  • Ionic solutions
  • Molecular dynamics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Modeling and Simulation
  • Electrical and Electronic Engineering


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