Relationship between the atomic pair distribution function and small-angle scattering: implications for modeling of nanoparticles

CL Farrow, SJL Billinge - Acta Crystallographica Section A …, 2009 - journals.iucr.org
The relationship between the equations used in the atomic pair distribution function (PDF)
method and those commonly used in small-angle-scattering (SAS) analyses is explicitly …

Assessing the applicability of quantum corrections to classical thermal conductivity predictions

JE Turney, AJH McGaughey, CH Amon - Physical Review B—Condensed …, 2009 - APS
The validity of the commonly used quantum corrections for mapping a classically predicted
thermal conductivity onto a corresponding quantum value are assessed by self-consistently …

Describing nuclear quantum effects in vibrational properties using molecular dynamics with Wigner sampling

DS Tikhonov, YV Vishnevskiy - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
In this work we discuss the generally applicable Wigner sampling and introduce a new,
simplified Wigner sampling method, for computationally effective modeling of molecular …

Estimation of the ground state energy of an atomic solid by employing quantum trajectory dynamics with friction

B Gu, RJ Hinde, VA Rassolov… - Journal of Chemical …, 2015 - ACS Publications
Evolution with energy dissipation can be used to obtain the ground state of a quantum-
mechanical system. This dissipation is introduced in the quantum trajectory framework by …

Algorithm for systematic peak extraction from atomic pair distribution functions

L Granlund, SJL Billinge… - … Section A: Foundations …, 2015 - journals.iucr.org
The study presents an algorithm, ParSCAPE, for model-independent extraction of peak
positions and intensities from atomic pair distribution functions (PDFs). It provides a …

Quantum corrections to parameters of interatomic distance distributions in molecular dynamics simulations

YV Vishnevskiy, D Tikhonov - Theoretical Chemistry Accounts, 2016 - Springer
The problem of computation of interatomic distance distributions is considered in the context
of gas electron diffraction method. A new theoretical approach has been developed for …

[HTML][HTML] PyRAMD Scheme: A Protocol for Computing the Infrared Spectra of Polyatomic Molecules Using ab Initio Molecular Dynamics

DS Tikhonov - Spectroscopy Journal, 2024 - mdpi.com
Here, we present a general framework for computing the infrared anharmonic vibrational
spectra of polyatomic molecules using Born–Oppenheimer molecular dynamics (BOMD) …

Computational studies of thermal transport properties of carbon nanotube materials

LV Zhigilei, RN Salaway, BK Wittmaack… - Carbon Nanotubes for …, 2017 - Springer
Computer modeling is playing an increasingly important role in investigations of the thermal
transfer properties of carbon nanotube (CNT) materials. The complex and inherently …

Predicting phonon properties and thermal conductivity using anharmonic lattice dynamics calculations

JE Turney - 2009 - search.proquest.com
The ability to engineer materials on the nanoscale has given rise to the possibility of tailoring
material properties such as the thermal conductivity. The alteration of the thermal properties …

Molecular dynamics with nuclear quantum effects: Approximations to the quantum force

S Garashchuk, VA Rassolov - Annual Reports in Computational Chemistry, 2020 - Elsevier
Molecular dynamics based on classical equations of motion is a highly useful tool of
simulating behavior and properties of large molecular systems. With the growing capabilities …