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- Sandia National Laboratories CaliforniaUS73 papers
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- Los Alamos National LaboratoryUS24 papers
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10 papers · 1 filter
A Bayesian approach to time-domain Photonic Doppler Velocimetry
J. R. Allison, R. Bordas, J. Read +12
Photonic Doppler Velocimetry (PDV) is an established technique for measuring the velocities of fast-moving surfaces in high-energy-density experiments. In the standard approach to…
Improving dynamic collision frequencies: impacts on dynamic structure factors and stopping powers in warm dense matter
Thomas W. Hentschel, Alina Kononov, Alexandra Olmstead +3
Simulations and diagnostics of high-energy-density plasmas and warm dense matter rely on models of material response properties, both static and dynamic (frequency-dependent). Here…
Simulations of ion heating due to ion-acoustic instabilities in the presheath
Lucas Beving, Matthew Hopkins, Scott Baalrud
Particle-in-cell direct simulation Monte Carlo simulations reveal that ion-acoustic instabilities excited in presheaths can cause significant ion heating. Ion-acoustic instabilitie…
Efficacy of the Radial Pair Potential Approximation for Molecular Dynamics Simulations of Dense Plasmas
Lucas J. Stanek, Raymond C. Clay, M. W. C. Dharma-wardana +3
Macroscopic simulations of dense plasmas rely on detailed microscopic information that can be computationally expensive and is difficult to verify experimentally. In this work, we…
Wave kinetic equation for inhomogeneous drift-wave turbulence beyond the quasilinear approximation
D. E. Ruiz, M. E. Glinsky, I. Y. Dodin
The formation of zonal flows from inhomogeneous drift-wave (DW) turbulence is often described using statistical theories derived within the quasilinear approximation. However, this…
Mode conversion in cold low-density plasma with a sheared magnetic field
I. Y. Dodin, D. E. Ruiz, S. Kubo
A theory is proposed that describes mutual conversion of two electromagnetic modes in cold low-density plasma, specifically, in the high-frequency limit where the ion response is n…