Elementary vibrational model for transport properties of dense fluids
SA Khrapak - Physics Reports, 2024 - Elsevier
A vibrational model of transport properties of dense fluids assumes that solid-like oscillations
of atoms around their temporary equilibrium positions dominate the dynamical picture. The …
of atoms around their temporary equilibrium positions dominate the dynamical picture. The …
[HTML][HTML] Revisiting the Stokes-Einstein relation without a hydrodynamic diameter
We present diffusion coefficient and shear viscosity data for the Lennard-Jones fluid along
nine isochores above the critical density, each involving a temperature variation of roughly …
nine isochores above the critical density, each involving a temperature variation of roughly …
Thermodynamic and dynamical properties of the hard sphere system revisited by molecular dynamics simulation
Revised thermodynamic and dynamical properties of the hard sphere (HS) system are
obtained from extensive molecular dynamics calculations carried out with large system sizes …
obtained from extensive molecular dynamics calculations carried out with large system sizes …
Stokes–Einstein relation without hydrodynamic diameter in the TIP4P/Ice water model
It is demonstrated that self-diffusion and shear viscosity data for the TIP4P/Ice water model
reported recently [Baran et al., J. Chem. Phys. 158, 064503 (2023)] obey the microscopic …
reported recently [Baran et al., J. Chem. Phys. 158, 064503 (2023)] obey the microscopic …
Freezing density scaling of fluid transport properties: Application to liquefied noble gases
A freezing density scaling of transport properties of the Lennard-Jones fluid is rationalized in
terms of Rosenfeld's excess entropy scaling and isomorph theory of Roskilde-simple …
terms of Rosenfeld's excess entropy scaling and isomorph theory of Roskilde-simple …
Universal nucleation behavior of sheared systems
Using molecular simulations and a modified classical nucleation theory, we study the
nucleation, under flow, of a variety of liquids: different water models, Lennard-Jones, and …
nucleation, under flow, of a variety of liquids: different water models, Lennard-Jones, and …
Stokes–Einstein relation in simple fluids revisited
S Khrapak - Molecular Physics, 2020 - Taylor & Francis
ABSTRACT In this Research Note the Zwanzig's formulation of the Stokes–Einstein (SE)
relation for simple atomistic fluids is re-examined. It is shown that the value of the coefficient …
relation for simple atomistic fluids is re-examined. It is shown that the value of the coefficient …
Microscopic origins of the viscosity of a Lennard-Jones liquid
Unlike crystalline solids or ideal gases, transport properties remain difficult to describe from
a microscopic point of view in liquids, whose dynamics result from complex energetic and …
a microscopic point of view in liquids, whose dynamics result from complex energetic and …
System size dependence of the diffusion coefficients in MD simulations: A simple correction formula for pure dense fluids
SA Khrapak - The Journal of Physical Chemistry B, 2024 - ACS Publications
A practical correction formula relating the self-diffusion coefficient of dense liquids from
molecular dynamics (MD) simulations with periodic boundary conditions to the self-diffusion …
molecular dynamics (MD) simulations with periodic boundary conditions to the self-diffusion …
Vibrational model of heat conduction in a fluid of hard spheres
S Khrapak - Applied Sciences, 2022 - mdpi.com
Application of a vibrational model of heat transfer to a fluid made of hard spheres is
discussed. The model was originally proposed to describe heat conduction in fluids with soft …
discussed. The model was originally proposed to describe heat conduction in fluids with soft …