Carbon is one of the most important elements for both industrial applications and
fundamental research, including life, physics, chemistry, materials, and even planetary …

A spectral neighbor analysis (SNAP) machine learning interatomic potential (MLIP) has
been developed for simulations of carbon at extreme pressures (up to 5 TPa) and …

The motion of line defects (dislocations) has been studied for more than 60 years, but the
maximum speed at which they can move is unresolved. Recent models and atomistic …

Two variants of optical imaging velocimetry, specifically the one-dimensional streaked line-
imaging and the two-dimensional time-resolved area-imaging versions of the Velocity …

In inertial confinement fusion (ICF), polycrystalline diamond—referred to as high density
carbon (HDC)—has become a promising ablator candidate. However, with smaller grain …

The National Ignition Facility (NIF) megajoule laser at the Lawrence Livermore National
Laboratory (LLNL) has produced a significant amount of useful physics results related to …

Bulk nanopolycrystalline diamond (NPD) samples were deformed plastically within the
diamond stability field up to 14 GPa and above 1473 K. Macroscopic differential stress Δσ …

Large-scale atomistic molecular dynamics (MD) simulations provide an exceptional
opportunity to advance the fundamental understanding of carbon under extreme conditions …

The Hugoniot elastic limit (HEL) is widely adopted as an important criterion for assessing the
dynamic strength of materials, representing the transition stress from elastic to plastic …

The effect of ionic disorder on the principal Hugoniot is investigated using multiple scattering
theory to very high pressure (Gbar). Calculations using molecular dynamics to simulate ionic …