Petapascal Pressure Driven by Fast Isochoric Heating with a Multipicosecond Intense Laser Pulse
書誌事項
- 公開日
- 2020-01-24
- 資源種別
- journal article
- 権利情報
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- https://link.aps.org/licenses/aps-default-license
- DOI
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- 10.1103/physrevlett.124.035001
- 10.48550/arxiv.1907.10447
- 公開者
- American Physical Society (APS)
この論文をさがす
説明
Fast isochoric laser heating is a scheme to heat a matter with relativistic-intensity ($>$ 10$^{18}$ W/cm$^2$) laser pulse or X-ray free electron laser pulse. The fast isochoric laser heating has been studied for creating efficiently ultra-high-energy-density (UHED) state. We demonstrate an fast isochoric heating of an imploded dense plasma using a multi-picosecond kJ-class petawatt laser with an assistance of externally applied kilo-tesla magnetic fields for guiding fast electrons to the dense plasma.The UHED state with 2.2 Peta-Pascal is achieved experimentally with 4.6 kJ of total laser energy that is one order of magnitude lower than the energy used in the conventional implosion scheme. A two-dimensional particle-in-cell simulation reveals that diffusive heating from a laser-plasma interaction zone to the dense plasma plays an essential role to the efficient creation of the UHED state.
8 pages, 4 figures, 1 table
収録刊行物
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- Physical Review Letters
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Physical Review Letters 124 (3), 035001-, 2020-01-24
American Physical Society (APS)
