collaborators

6 papers

cond-mat.soft2025

Exact Screening-Ranged Expansions for Many-Body Electrostatics

Sergii V. Siryk, Walter Rocchia

We present an exact many-body framework for electrostatic interactions among arbitrarily charged spheres in an electrolyte, modeled by the linearized Poisson--Boltzmann equatio…

cond-mat.soft2025

Many interacting particles in solution. III. Spectral analysis of the associated Neumann--Poincaré-type operators

Sergii V. Siryk, Walter Rocchia

The interaction of particles in an electrolytic medium can be calculated by solving the Poisson equation inside the solutes and the linearized Poisson--Boltzmann equation in the so…

cond-mat.soft2025

Many interacting particles in solution. II. Screening-ranged expansion of electrostatic forces

Sergii V. Siryk, Walter Rocchia

We present a fully analytical integration of the Maxwell stress tensor and derive exact relations for interparticle forces in systems of multiple dielectric spheres immersed in a p…

cond-mat.soft2025

Many interacting particles in solution. I. Screening-ranged expansions of electrostatic potential and energy

Sergii V. Siryk, Walter Rocchia

We present an analytical many-body formalism for systems of spherical particles carrying arbitrary free charge distributions and interacting in a polarizable electrolyte solution,…

physics.comp-ph2025

NextGenPB: an analytically-enabled super resolution and local (de)refinement Poisson-Boltzmann Equation solver

Vincenzo Di Florio, Patrizio Ansalone, Sergii V. Siryk +3

The Poisson-Boltzmann equation (PBE) is a relevant partial differential equation commonly used in biophysical applications to estimate the electrostatic energy of biomolecular syst…

math.NA2018

A note on the application of the Guermond-Pasquetti mass lumping correction technique for convection-diffusion problems

Sergii Siryk

We provide a careful Fourier analysis of the Guermond-Pasquetti mass lumping correction technique [Guermond J.-L., Pasquetti R. A correction technique for the dispersive effects of…