75 citations · 217 across the 14 of their papers we have counts for
14 papers
Improved Kelbg Potentials for and Application to Carbon Plasmas
Heather D. Whitley, Michael S. Murillo, John I. Castor +5
In this work, we present a general form for the electron-ion diffractive potential derived from the quantum pair density matrix and fit to the improved Kelbg potential for atomic n…
Shock Hugoniot of diamond from 3 to 80 TPa
Damian C. Swift, Andrea L. Kritcher, Amy Lazicki +13
The principal Hugoniot of carbon, initially diamond, was measured from 3 to 80 TPa (30 to 800 million atmospheres), the highest pressure ever achieved, using radiography of spheric…
Improved analysis of converging shock radiographs
Damian C. Swift, Andrea L. Kritcher, Amy Lazicki +6
We previously reported an experimental platform to induce a spherically-convergent shock in a sample using laser-driven ablation, probed with time-resolved x-ray radiography, and a…
Atom-in-jellium equations of state and melt curves in the white dwarf regime
Damian C. Swift, Thomas Lockard, Sebastien Hamel +4
Atom-in-jellium calculations of the electron states, and perturbative calculations of the Einstein frequency, were used to construct equations of state (EOS) from around …
Nonideal Mixing Effects in Warm Dense Matter Studied with First-Principles Computer Simulations
Burkhard Militzer, Felipe Gonzalez-Cataldo, Shuai Zhang +3
We study nonideal mixing effects in the regime of warm dense matter (WDM) by computing the shock Hugoniot curves of BN, MgO, and MgSiO_3. First, we derive these curves from the equ…
Benchmarking boron carbide equation of state using computation and experiment
Shuai Zhang, Michelle C. Marshall, Lin H. Yang +13
Boron carbide (BC) is of both fundamental scientific and practical interest in inertial confinement fusion (ICF) and high energy density physics experiments. We report the resu…
Comparison of ablators for the polar direct drive exploding pusher platform
Heather D. Whitley, G. Elijah Kemp, Charles Yeamans +36
We examine the performance of pure boron, boron carbide, high density carbon, and boron nitride ablators in the polar direct drive exploding pusher (PDXP) platform. The platform us…
Simultaneous compression and opacity data from time-series radiography with a Lagrangian marker
Damian C. Swift, Andrea L. Kritcher, James A. Hawreliak +12
Time-resolved radiography can be used to obtain absolute shock Hugoniot states by simultaneously measuring at least two mechanical parameters of the shock, and this technique is pa…
Phase transformation in boron under shock compression
Shuai Zhang, Heather D. Whitley, Tadashi Ogitsu
Using first-principles molecular dynamics, we calculated the equation of state and shock Hugoniot of various boron phases. We find a large mismatch between Hugoniots based on exist…
Equation of state of warm-dense boron nitride combining computation, modeling, and experiment
Shuai Zhang, Amy Lazicki, Burkhard Militzer +18
The equation of state (EOS) of materials at warm dense conditions poses significant challenges to both theory and experiment. We report a combined computational, modeling, and expe…
Theoretical and experimental investigation of the equation of state of boron plasmas
Shuai Zhang, Burkhard Militzer, Michelle C. Gregor +11
We report a theoretical equation of state (EOS) table for boron across a wide range of temperatures (5.110-5.210 K) and densities (0.25-49 g/cm), and ex…
Density-functional calculations of transport properties in the non-degenerate limit and the role of electron-electron scattering
Michael P. Desjarlais, Christian R. Scullard, Lorin X. Benedict +2
We compute electrical and thermal conductivities of hydrogen plasmas in the non-degenerate regime using Kohn-Sham Density Functional Theory (DFT) and an application of the Kubo-Gre…
Large-scale atomistic density functional theory calculations of phosphorus-doped silicon quantum bits
Loren Greenman, Heather D. Whitley, K. Birgitta Whaley
We present density functional theory calculations of phosphorus dopants in bulk silicon and of several properties relating to their use as spin qubits for quantum computation. Rath…
Structure and energetics of helium adsorption on nanosurfaces
Patrick Huang, Heather D. Whitley, K. Birgitta Whaley
The ground and excited state properties of small helium clusters, 4He_N, containing nanoscale (~3-10 Angstroms) planar aromatic molecules have been studied with quantum Monte Carlo…