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Self-energy-modified Poisson-Nernst-Planck equations: WKB approximation and finite-difference approaches
We propose a modified Poisson-Nernst-Planck (PNP) model to investigate charge transport in electrolytes of inhomogeneous dielectric environment. The model includes the ionic polarization due to the dielectric inhomogeneity and the ion-ion correlation. This is achieved by the self energy of test ions through solving a generalized Debye-H\"uckel (DH) equation. We …