4 papers
Spectral Phase Pulse Shaping Alters Photoionization Time
J. Aygun, D. Yaacoub, A. L. Harris
Photoionization is a key step in many attosecond processes. Accurately determining the photoionization time delay is critical to understanding electron dynamics during and after io…
Grain Boundary Diffusion in Yukawa Crystals
Matthew E. Caplan, Nevin T. Smith, Dany Yaacoub +3
We present calculations of diffusion coefficients in grain boundaries in Yukawa crystals for astrophysics. Our methods follow from our recent work calculating diffusion coefficient…
No Evidence of Anomalous Diffusion in Yukawa Crystals
Matthew E. Caplan, Dany Yaacoub
Diffusion in Yukawa crystals is stochastic due to the thermally activated formation of vacancy-interstitial pairs, which have poor statistics in simulations. This makes it difficul…
Universal Diffusion in Coulomb Crystals
M. E. Caplan, D. Yaacoub
Diffusion coefficients for crystallized Coulomb plasmas are essential microphysics input for modeling white dwarf cores and neutron star crusts but are poorly understood. In this w…