Predicting hot electron generation in inertial confinement fusion with particle-in-cell simulations
A series of two-dimensional particle-in-cell simulations with speckled laser drivers was carried out to study hot electron generation in direct-drive inertial confinement fusion on OMEGA. Scaling laws were obtained for hot electron fraction and temperature as functions of laser/plasma conditions in...
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| Veröffentlicht in: | Physical review. E 2022-11, Vol.106 (5-2), p.055214-055214, Article 055214 |
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| container_end_page | 055214 |
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| container_issue | 5-2 |
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| container_title | Physical review. E |
| container_volume | 106 |
| creator | Cao, S H Patel, D Lees, A Stoeckl, C Rosenberg, M J Gopalaswamy, V Wen, H Huang, H Shvydky, A Betti, R Ren, C |
| description | A series of two-dimensional particle-in-cell simulations with speckled laser drivers was carried out to study hot electron generation in direct-drive inertial confinement fusion on OMEGA. Scaling laws were obtained for hot electron fraction and temperature as functions of laser/plasma conditions in the quarter-critical region. Using these scalings and conditions from hydro simulations, the temporal history of hot electron generation can be predicted. The scalings can be further improved to predict hard x-rays for a collection of OMEGA warm target implosions within experimental error bars. These scalings can be readily implemented into inertial confinement fusion design codes. |
| doi_str_mv | 10.1103/PhysRevE.106.055214 |
| format | Article |
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| source | American Physical Society Journals |
| title | Predicting hot electron generation in inertial confinement fusion with particle-in-cell simulations |
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