Energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: Scaling to terabar pressures
Ultrahigh-energy density (UHED) matter, characterized by energy densities >1 × 108 J cm−3 and pressures greater than a gigabar, is encountered in the center of stars and inertial confinement fusion capsules driven by the world’s largest lasers. Similar conditions can be obtained with compact,...
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2017
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_23752548_v3_n1_p_Bargsten http://hdl.handle.net/20.500.12110/paper_23752548_v3_n1_p_Bargsten |
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paper:paper_23752548_v3_n1_p_Bargsten2023-06-08T16:35:52Z Energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: Scaling to terabar pressures Aspect ratio Nanowires High aspect ratio Nanowire arrays Physical process Plasma regimes Relativistic intensity Three dimensional particle-in-cell simulations Ultra-high energies X-ray emission Plasma simulation Ultrahigh-energy density (UHED) matter, characterized by energy densities >1 × 108 J cm−3 and pressures greater than a gigabar, is encountered in the center of stars and inertial confinement fusion capsules driven by the world’s largest lasers. Similar conditions can be obtained with compact, ultrahigh contrast, femtosecond lasers focused to relativistic intensities onto targets composed of aligned nanowire arrays. We report the measurement of the key physical process in determining the energy density deposited in high-aspect-ratio nanowire array plasmas: the energy penetration. By monitoring the x-ray emission from buried Co tracer segments in Ni nanowire arrays irradiated at an intensity of 4 × 1019 W cm−2, we demonstrate energy penetration depths of several micrometers, leading to UHED plasmas of that size. Relativistic three-dimensional particle-in-cell simulations, validated by these measurements, predict that irradiation of nanostructures at intensities of >1 × 1022 W cm−2 will lead to a virtually unexplored extreme UHED plasma regime characterized by energy densities in excess of 8 × 1010 J cm−3, equivalent to a pressure of 0.35 Tbar. © 2017 The Authors. some rights reserved. 2017 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_23752548_v3_n1_p_Bargsten http://hdl.handle.net/20.500.12110/paper_23752548_v3_n1_p_Bargsten |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Aspect ratio Nanowires High aspect ratio Nanowire arrays Physical process Plasma regimes Relativistic intensity Three dimensional particle-in-cell simulations Ultra-high energies X-ray emission Plasma simulation |
| spellingShingle |
Aspect ratio Nanowires High aspect ratio Nanowire arrays Physical process Plasma regimes Relativistic intensity Three dimensional particle-in-cell simulations Ultra-high energies X-ray emission Plasma simulation Energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: Scaling to terabar pressures |
| topic_facet |
Aspect ratio Nanowires High aspect ratio Nanowire arrays Physical process Plasma regimes Relativistic intensity Three dimensional particle-in-cell simulations Ultra-high energies X-ray emission Plasma simulation |
| description |
Ultrahigh-energy density (UHED) matter, characterized by energy densities >1 × 108 J cm−3 and pressures greater than a gigabar, is encountered in the center of stars and inertial confinement fusion capsules driven by the world’s largest lasers. Similar conditions can be obtained with compact, ultrahigh contrast, femtosecond lasers focused to relativistic intensities onto targets composed of aligned nanowire arrays. We report the measurement of the key physical process in determining the energy density deposited in high-aspect-ratio nanowire array plasmas: the energy penetration. By monitoring the x-ray emission from buried Co tracer segments in Ni nanowire arrays irradiated at an intensity of 4 × 1019 W cm−2, we demonstrate energy penetration depths of several micrometers, leading to UHED plasmas of that size. Relativistic three-dimensional particle-in-cell simulations, validated by these measurements, predict that irradiation of nanostructures at intensities of >1 × 1022 W cm−2 will lead to a virtually unexplored extreme UHED plasma regime characterized by energy densities in excess of 8 × 1010 J cm−3, equivalent to a pressure of 0.35 Tbar. © 2017 The Authors. some rights reserved. |
| title |
Energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: Scaling to terabar pressures |
| title_short |
Energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: Scaling to terabar pressures |
| title_full |
Energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: Scaling to terabar pressures |
| title_fullStr |
Energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: Scaling to terabar pressures |
| title_full_unstemmed |
Energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: Scaling to terabar pressures |
| title_sort |
energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: scaling to terabar pressures |
| publishDate |
2017 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_23752548_v3_n1_p_Bargsten http://hdl.handle.net/20.500.12110/paper_23752548_v3_n1_p_Bargsten |
| _version_ |
1768541726482366464 |