Homogeneous, Micron-Scale High-Energy-Density Matter Generated by Relativistic Laser-Solid Interactions
Short-pulse, laser-solid interactions provide a unique platform for studying complex high-energy-density mat ter. We present the first demonstration of solid density, micron-scale keV plasmas uniformly heated by a high contrast, 400 nm laser at intensities up to 2×1021 W/cm2. High-resolution spectra...
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Veröffentlicht in: | Physical review letters 2022-09, Vol.129 (13), p.135001-135001, Article 135001 |
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creator | Beier, N. F. Allison, H. Efthimion, P. Flippo, K. A. Gao, L. Hansen, S. B. Hill, K. Hollinger, R. Logantha, M. Musthafa, Y. Nedbailo, R. Senthilkumaran, V. Shepherd, R. Shlyaptsev, V. N. Song, H. Wang, S. Dollar, F. Rocca, J. J. Hussein, A. E. |
description | Short-pulse, laser-solid interactions provide a unique platform for studying complex high-energy-density mat ter. We present the first demonstration of solid density, micron-scale keV plasmas uniformly heated by a high contrast, 400 nm laser at intensities up to 2×1021 W/cm2. High-resolution spectral analysis of X-ray emission reveals uniform heating up to 3.0 keV over 1 µm depths. Particle-in-cell simulations indicate the production of a uniformly heated keV plasma to depths of 2 µm. The significant bulk heating and presence of highly-ionized ions deep within the target are attributed to the few MeV hot electrons that become trapped and undergo refluxing within the target sheath fields. In conclusion, these conditions enable the differentiation of atomic physics models such as ionization potential depression in high energy density environments. |
doi_str_mv | 10.1103/PhysRevLett.129.135001 |
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F. ; Allison, H. ; Efthimion, P. ; Flippo, K. A. ; Gao, L. ; Hansen, S. B. ; Hill, K. ; Hollinger, R. ; Logantha, M. ; Musthafa, Y. ; Nedbailo, R. ; Senthilkumaran, V. ; Shepherd, R. ; Shlyaptsev, V. N. ; Song, H. ; Wang, S. ; Dollar, F. ; Rocca, J. J. ; Hussein, A. E.</creator><creatorcontrib>Beier, N. F. ; Allison, H. ; Efthimion, P. ; Flippo, K. A. ; Gao, L. ; Hansen, S. B. ; Hill, K. ; Hollinger, R. ; Logantha, M. ; Musthafa, Y. ; Nedbailo, R. ; Senthilkumaran, V. ; Shepherd, R. ; Shlyaptsev, V. N. ; Song, H. ; Wang, S. ; Dollar, F. ; Rocca, J. J. ; Hussein, A. E. ; Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States) ; Colorado State Univ., Fort Collins, CO (United States) ; Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)</creatorcontrib><description>Short-pulse, laser-solid interactions provide a unique platform for studying complex high-energy-density mat ter. 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The significant bulk heating and presence of highly-ionized ions deep within the target are attributed to the few MeV hot electrons that become trapped and undergo refluxing within the target sheath fields. 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(SNL-NM), Albuquerque, NM (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Homogeneous, Micron-Scale High-Energy-Density Matter Generated by Relativistic Laser-Solid Interactions</atitle><jtitle>Physical review letters</jtitle><date>2022-09-23</date><risdate>2022</risdate><volume>129</volume><issue>13</issue><spage>135001</spage><epage>135001</epage><pages>135001-135001</pages><artnum>135001</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>Short-pulse, laser-solid interactions provide a unique platform for studying complex high-energy-density mat ter. We present the first demonstration of solid density, micron-scale keV plasmas uniformly heated by a high contrast, 400 nm laser at intensities up to 2×1021 W/cm2. High-resolution spectral analysis of X-ray emission reveals uniform heating up to 3.0 keV over 1 µm depths. Particle-in-cell simulations indicate the production of a uniformly heated keV plasma to depths of 2 µm. The significant bulk heating and presence of highly-ionized ions deep within the target are attributed to the few MeV hot electrons that become trapped and undergo refluxing within the target sheath fields. 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subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ATOMIC AND MOLECULAR PHYSICS |
title | Homogeneous, Micron-Scale High-Energy-Density Matter Generated by Relativistic Laser-Solid Interactions |
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