Damian Swift

TL;DR: In this article, the maximum superheating and undercooling achievable at various heating or cooling rates were investigated based on classical nucleation theory and under-cooling experiments, molecular dynamics simulations, and dynamic experiments.

TL;DR: The atomic structure of H2O is documented at several million atmospheres of pressure and temperatures of several thousand degrees, revealing shockwave-induced ultrafast crystallization and a novel water ice phase, ice XVIII, with exotic superionic properties.

TL;DR: In this paper, the authors used time-resolved optical pyrometry and laser velocimetry measurements as well as supporting density functional theory-molecular dynamics (DFT-MD) simulations to verify a 30-year-old prediction of superionic conduction in water ice at planetary interior conditions.

TL;DR: Femtosecond x-ray diffraction measurements unveil the response of copper to laser shock-compression at peak normal elastic stresses of ~73 gigapascals (GPa) and strain rates of 109 per second, and capture the evolution of the lattice from a one-dimensional elastic to a 3D plastically relaxed state within a few tens of picoseconds.

TL;DR: The authors demonstrate that the equilibrium melting temperature at a given pressure can be obtained directly from temperatures at the maximum superheating and supercooling on the temperature hysteresis; this approach is a conceptually simple and computationally inexpensive alternative to solid-liquid coexistence simulation and thermodynamic integration methods.