[HTML][HTML] Fast quasi-centroid molecular dynamics

T Fletcher, A Zhu, JE Lawrence… - The Journal of Chemical …, 2021 - pubs.aip.org
We describe a fast implementation of the quasi-centroid molecular dynamics (QCMD)
method in which the quasi-centroid potential of mean force is approximated as a separable …

Comparison of integral equation theories of the liquid state

I Pihlajamaa, LMC Janssen - Physical Review E, 2024 - APS
The Ornstein-Zernike equation is a powerful tool in liquid state theory for predicting structural
and thermodynamic properties of fluids. Combined with a suitable closure, it has been …

Sensitivity of pair statistics on pair potentials in many-body systems

H Wang, FH Stillinger, S Torquato - The Journal of Chemical Physics, 2020 - pubs.aip.org
We study the sensitivity and practicality of Henderson's theorem in classical statistical
mechanics, which states that the pair potential v (r) that gives rise to a given pair correlation …

Interpolating the radial distribution function in a two-dimensional fluid across a wide temperature range

NP Kryuchkov, AD Nasyrov, IR Denisenko… - The Journal of …, 2024 - pubs.aip.org
Calculations of pair correlations in fluids usually require resource-intensive simulations or
integral equations, while existing simple approximations lack accuracy. Here, we show that …

Precise determination of pair interactions from pair statistics of many-body systems in and out of equilibrium

S Torquato, H Wang - Physical Review E, 2022 - APS
The determination of the pair potential v (r) that accurately yields an equilibrium state at
positive temperature T with a prescribed pair correlation function g 2 (r) or corresponding …

Equilibrium states corresponding to targeted hyperuniform nonequilibrium pair statistics

H Wang, S Torquato - Soft matter, 2023 - pubs.rsc.org
The Zhang–Torquato conjecture [G. Zhang and S. Torquato, Phys. Rev. E, 2020, 101,
032124.] states that any realizable pair correlation function g2 (r) or structure factor S (k) of a …

[HTML][HTML] Iterative integral equation methods for structural coarse-graining

MP Bernhardt, M Hanke… - The Journal of Chemical …, 2021 - pubs.aip.org
In this paper, new Newton and Gauss–Newton methods for iterative coarse-graining based
on integral equation theory are evaluated and extended. In these methods, the potential …

Data-driven approximations to the bridge function yield improved closures for the Ornstein–Zernike equation

REA Goodall - Soft Matter, 2021 - pubs.rsc.org
A key challenge for soft materials design and coarse-graining simulations is determining
interaction potentials between components that give rise to desired condensed-phase …

Tunable Slow Dynamics of Three-Dimensional Polymer Melts through Architecture Engineering

Q Zou, Y Ruan, R Zhang, G Liu - Macromolecules, 2024 - ACS Publications
Coarse-grained three-dimensional (3D) architectured polymers, namely, soft-clusters,
exhibit a glassy yet melt state even at temperatures much higher than their glass transition …

A note on the uniqueness result for the inverse Henderson problem

F Frommer, M Hanke, S Jansen - Journal of Mathematical Physics, 2019 - pubs.aip.org
The inverse Henderson problem of statistical mechanics is the theoretical foundation for
many bottom-up coarse-graining techniques for the numerical simulation of complex soft …