Massively parallel symplectic algorithm for coupled magnetic spin dynamics and molecular dynamics

J Tranchida, SJ Plimpton, P Thibaudeau… - Journal of …, 2018 - Elsevier
A parallel implementation of coupled spin–lattice dynamics in the LAMMPS molecular
dynamics package is presented. The approach is very general, and can be applied to simple …

Angular-dependent interatomic potential for large-scale atomistic simulation of iron: Development and comprehensive comparison with existing interatomic models

S Starikov, D Smirnova, T Pradhan, Y Lysogorskiy… - Physical Review …, 2021 - APS
The development of classical interatomic potential for iron is a quite demanding task with a
long history background. A new interatomic potential for simulation of iron was created with …

Constrained density functional for noncollinear magnetism

PW Ma, SL Dudarev - Physical Review B, 2015 - APS
Energies of arbitrary small-and large-angle noncollinear excited magnetic configurations are
computed using a highly accurate constrained density functional theory approach …

Gravitationally-induced wave function collapse time for molecules

AA Tomaz, RS Mattos, M Barbatti - Physical Chemistry Chemical …, 2024 - pubs.rsc.org
The Diósi–Penrose model states that the wave function collapse ending a quantum
superposition occurs due to the instability of coexisting gravitational potentials created by …

Dynamic simulation of structural phase transitions in magnetic iron

PW Ma, SL Dudarev, JS Wróbel - Physical Review B, 2017 - APS
The occurrence of bcc-fcc (α-γ) and fcc-bcc (γ-δ) phase transitions in magnetic iron stems
from the interplay between magnetic excitations and lattice vibrations. However, this fact has …

Atomic diffusion in bcc Fe–Mn alloys: Theoretical analysis and experimental measurements across the Curie temperature

V Kulitckii, A Schneider, O Lukianova, G Wilde, CC Fu… - Acta Materialia, 2023 - Elsevier
The influence of a magnetic transition on Fe and Mn diffusion in bcc Fe–Mn alloys as a
function of Mn concentration is studied combining experimental measurements and DFT …

Predicting atomic diffusion in concentrated magnetic alloys: The case of paramagnetic Fe-Ni

K Li, CC Fu, M Nastar, F Soisson - Physical Review B, 2023 - APS
Predicting atomic diffusion in concentrated magnetic systems is challenging due to thermal
magnetic effects and complex magnetochemical interplay. We propose an efficient approach …

Reinventing atomistic magnetic simulations with spin-orbit coupling

D Perera, M Eisenbach, DM Nicholson, GM Stocks… - Physical Review B, 2016 - APS
We propose a powerful extension to combined molecular and spin dynamics that fully
captures the coupling between the atomic and spin subsystems via spin-orbit interactions. Its …

Atomic Diffusion in -iron across the Curie Point: An Efficient and Transferable Ab Initio–Based Modeling Approach

A Schneider, CC Fu, F Soisson, C Barreteau - Physical Review Letters, 2020 - APS
An accurate prediction of atomic diffusion in Fe alloys is challenging due to thermal
magnetic excitations and magnetic transitions. We propose an efficient approach to address …

Atomistic description of self-diffusion in molybdenum: A comparative theoretical study of non-Arrhenius behavior

D Smirnova, S Starikov, GD Leines, Y Liang… - Physical Review …, 2020 - APS
According to experimental observations, the temperature dependence of self-diffusion
coefficient in most body-centered cubic metals (bcc) exhibits non-Arrhenius behavior. The …