Studies in multiconfiguration Dirac-Fock theory. II. The even-parity low-lying spectrum of Ba I
Journal of Physics B Atomic Molecular and Optical Physics IOP Publishing 11:5 (1978) 755
A molecular dynamics framework coupled with smoothed particle hydrodynamics for quantum plasma simulations
Physical Review Research American Physical Society
Ab-initio simulations and measurements of the free-free opacity in Aluminum
Abstract:
The free-free opacity in dense systems is a property that both tests our fundamental understanding of correlated many-body systems, and is needed to understand the radiative properties of high energy-density plasmas. Despite its importance, predictive calculations of the free-free opacity remain challenging even in the condensed matter phase for simple metals. Here we show how the free-free opacity can be modelled at finite-temperatures via time-dependent density functional theory, and illustrate the importance of including local field corrections, core polarization and self-energy corrections. Our calculations for ground-state Al are shown to agree well with experimental opacity measurements performed on the Artemis laser facility across a wide range of x-ray to ultraviolet wavelengths. We extend our calculations across the melt to the warm-dense matter regime, and find good agreement with advanced plasma models based on inverse bremsstrahlung at temperatures above 10 eV.
Attosecond and nano-Coulomb electron bunches via the Zero Vector Potential mechanism
Scientific Reports 14, 10805 (2024)