Energy transfer dynamics in strongly inhomogeneous hot-dense-matter systems
Journal Article
·
· Physical Review E
- Univ. of Rochester, Rochester, NY (United States)
Direct measurements of energy transfer across steep density and temperature gradients in a hot-dense-matter system are presented. Hot dense plasma conditions were generated by high-intensity laser irradiation of a thin-foil target containing a buried metal layer. Energy transfer to the layer was measured using picosecond time-resolved x-ray emission spectroscopy. Here, the data show two x-ray flashes in time. Fully explicit, coupled particle-in-cell and collisional-radiative atomic kinetics model predictions reproduce these observations, connecting the two x-ray flashes with staged radial energy transfer within the target.
- Research Organization:
- Univ. of Rochester, NY (United States). Lab. for Laser Energetics
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Fusion Energy Sciences (FES)
- Grant/Contract Number:
- NA0001944; SC0012317
- OSTI ID:
- 1457145
- Alternate ID(s):
- OSTI ID: 1457082
- Report Number(s):
- 2017-259, 1410; PLEEE8; 2017-259, 1410, 2367; TRN: US1901306
- Journal Information:
- Physical Review E, Vol. 97, Issue 6; ISSN 2470-0045
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 2 works
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