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. Author manuscript; available in PMC: 2013 Sep 20.
Published in final edited form as: SIAM J Appl Math. 2011 Dec 8;71(6):2093–2111. doi: 10.1137/110826436

Figure 1.

Figure 1

The geometry of a solvation system with an implicit solvent. Dots represent solute atoms at Xi carrying charge Qi (i = 1, …, N). The solute-solvent interface Γ separates the solute region Ω− and the solvent region Ω+. The corresponding dielectric coefficients are denoted by ε− and ε+, respectively. The unit normal at the interface Γ pointing from Ω− to Ω+ and the exterior unit normal at the boundary of the entire solvation region Ω are both denoted by n.