title: Nonlocal and nonlinear electrostatics of a dipolar Coulomb fluid.
abstract: We study a model Coulomb fluid consisting of dipolar solvent molecules of finite extent which generalizes the point-like dipolar Poisson-Boltzmann model (DPB) previously introduced by Coalson and Duncan (1996 J. Phys. Chem. 100 2612) and Abrashkin et al (2007 Phys. Rev. Lett. 99 077801). We formulate a nonlocal Poisson-Boltzmann equation (NLPB) and study both linear and nonlinear dielectric response in this model for the case of a single plane geometry. Our results shed light on the relevance of nonlocal versus nonlinear effects in continuum models of material electrostatics.
authors.affiliation: Biological Nanosystems, Interdisciplinary Research Institute, Université des Sciences et des Technologies de Lille (USTL), USR CNRS 3078, 50 Avenue Halley, 59568 Villeneuve d'Ascq, France.
authors.forename: Buyukdagli
authors.initials: B
authors.lastname: Sahin
authors.forename: Blossey
authors.initials: B
authors.lastname: Ralf
mesh_terms: D003198:Computer Simulation; D008956:Models, Chemical; D017711:Nonlinear Dynamics; D012212:Rheology / Q000379:methods*; D012996:Solutions / Q000737:chemistry*; D055672:Static Electricity
chemical_list: D012996:Solutions