3 papers
physics.chem-ph2025
Artificial Thermalization in Ring-Polymer Molecular Dynamics: The Breakdown of RPMD for Gas-Phase Reactions with Pre-Reactive Complexes and How to Fix It
Joseph E. Lawrence, Jeremy O. Richardson
Ring-polymer molecular dynamics (RPMD) has become a popular method for describing chemical reactions due to its ability to simultaneously capture tunneling, zero-point energy, anha…
physics.chem-ph2025
Perturbatively corrected ring-polymer instanton rate theory rigorously captures anharmonicity and deep tunneling
Jindra Dušek, Joseph E. Lawrence, Jeremy O. Richardson
In this paper, we derive a perturbatively-corrected instanton rate theory in the ring-polymer framework (RPI+PC), which significantly enhances the accuracy of instanton theory by u…
physics.chem-ph2025
Nonadiabatic ring-polymer instanton rate theory: a generalised dividing-surface approach
Rhiannon A. Zarotiadis, Joseph E. Lawrence, Jeremy O. Richardson
Constructing an accurate approximation to nonadiabatic rate theory which is valid for arbitrary values of the electronic coupling has been a long-standing challenge in theoretical…