Influence of shell effects on thermodynamic properties of matter at high pressures

PR Levashov, DV Minakov - Journal of Physics: Conference …, 2018 - iopscience.iop.org
We analyze the influence of shell effects on thermodynamic properties of matter at high
pressures. Spherically symmetric average atom models show significant contribution of …

Shock Hugoniot of osmium up to 800 GPa from first principles calculations

KD Joshi, SC Gupta, S Banerjee - Journal of Physics: Condensed …, 2009 - iopscience.iop.org
First principles total energy calculations on hcp, ω (a three atom simple hexagonal), β (bcc)
and fcc phases of osmium have been performed as a function of hydrostatic compression …

Thermodynamic conditions of shock Hugoniot curves in hot dense matter

Q Porcherot, G Faussurier, C Blancard - High Energy Density Physics, 2010 - Elsevier
We use a self-consistent model combining the Quotidian Equation Of State and a
nonrelativistic screened-hydrogenic model with ℓ-splitting to study the thermodynamic …

Role of ab initio calculations in high pressure–high temperature studies and material properties

AK Verma, P Modak, RS Rao, BK Godwal - Journal of Physics and …, 2006 - Elsevier
We present the results of our studies using the first principles theories on materials in which
controversies exist in the diamond anvil cell based high pressure data. The importance of …

Metals physics at ultrahigh pressure: Aluminum, copper, and lead as prototypes

WJ Nellis, JA Moriarty, AC Mitchell, M Ross… - Physical review …, 1988 - APS
New shock compression data for Al, Cu, and Pb in the pressure range 0.3–1 TPa (3–10
Mbar) have been combined with first-principles theory and earlier equation-of-state data to …

Equation of state of condensed matter in laser-induced high-pressure regime

BK Godwal, RS Rao, AK Verma, M Shukla… - Laser and Particle …, 2003 - cambridge.org
We have simulated the shock Hugoniot of copper and uranium based on the results of first
principles electronic structure calculations. The room temperature isotherm has been …

Equations of state for rubidium and cesium at high pressures in shock waves

KV Khishchenko - Journal of Physics: Conference Series, 2019 - iopscience.iop.org
A simple equation-of-state model, which relates the pressure with the density and the
specific internal energy, is applied for rubidium and cesium in the bcc-solid and liquid …

Atomistic mechanism of phase transition in shock compressed gold revealed by deep potential

B Chen, Q Zeng, H Wang, S Zhang, D Kang… - arXiv preprint arXiv …, 2020 - arxiv.org
A detailed understanding of the material response to rapid compression is challenging and
demanding. For instance, the element gold under dynamic compression exhibits complex …

Combining Kohn-Sham and orbital-free density-functional theory for Hugoniot calculations to extreme pressures

D Sheppard, JD Kress, S Crockett, LA Collins… - Physical Review E, 2014 - APS
The shock Hugoniot for lithium 6 deuteride (LiD 6) was calculated via first principles using
Kohn-Sham density-functional theory molecular dynamics (KSMD) for temperatures of 0.5 …

Complex behavior of noble gases under compression

BA Nadykto - AIP Conference Proceedings, 2012 - pubs.aip.org
The paper presents the theoretical analysis of experimental data on the compression of
noble gases (argon, krypton, xenon) under static conditions in diamond anvils and shock …