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Title: Particle-in-cell simulations of expanding high energy density plasmas with laser ray tracing

Journal Article · · Physics of Plasmas
DOI: https://doi.org/10.1063/5.0240547 · OSTI ID:2510925
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5]; ORCiD logo [6]; ORCiD logo [1]; ORCiD logo [4]
  1. Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
  2. Princeton Univ., NJ (United States); National Institutes of Natural Sciences, Tokyo (Japan)
  3. Columbia Univ., New York, NY (United States)
  4. Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States); Princeton Univ., NJ (United States)
  5. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  6. Univ. of Rochester, NY (United States)

The design and analysis of high energy density (HED) laser experiments typically rely on radiation hydrodynamics simulations. However, some laser–plasma interaction regimes are not collisional and cannot be adequately modeled with hydrodynamics. For example, strongly driven magnetic reconnection and magnetized collisionless shock experiments possess extended hydrodynamic or even kinetic properties, necessitating first-principles kinetic simulations. In this paper, we present the benchmarking and first results obtained with a laser-ray-tracing and inverse bremsstrahlung absorption module implemented in the particle-in-cell code PSC. The simulation results are compared to radiation hydrodynamic simulations using the FLASH code as well as analytical estimates. We successfully benchmark the energy deposition model and overall hydrodynamic evolution of the systems. We also consider possible kinetic effects that may be expected from laser-target ablation in the HED regime, including non-local transport and two-temperature effects.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States); Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States); Univ. of Rochester, NY (United States)
Sponsoring Organization:
USDOE; USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC02-09CH11466; NA0003525; NA0004144; NA0004147
OSTI ID:
2510925
Journal Information:
Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 2 Vol. 32; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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