Y. Shao, M. McGowan, S. Wang, E. Alexov, and S. Zhao. Convergence of a diffuse interface Poisson-Boltzmann (pb) model to the sharp interface pb model: a unified regularization formulation. Applied Mathematics and Computation, volume 436, pages 127501, 2023.

S. Wang, Y. Shao, E. Alexov, and S. Zhao. A regularization approach for solving the super-Gaussian Poisson-Boltzmann model with heterogeneous dielectric functions. Journal of Computational Physics, pages 111340, 2022.