Modeling magnetic confinement of laser-generated plasma in cylindrical geometry leading to disk-shaped structures
Abstract
Radiation-magnetohydrodynamic simulations were able to reproduce features of the plasma structures observed in recent experiments1, where a laser was used to ablate plasma in a 3 MG magnetic field. The laser ablates the plasma, and localized structures are formed due to the inhibition of heat flow by the magnetic field. The large magnetic pressures cause the plasma to pinch. In an azimuthal fi eld, a disc-shaped plasma is generated. According to simulations, the disc has electron densities that are underdense to the laser, ranging from 1018 to 1019 cm-3, and electron temperatures in the 300 to 1000 eV range during its evolution, similar to experimental data.
- Authors:
-
- Univ. of Rochester, NY (United States). Lab. for Laser Energetics
- Univ. of Nevada, Reno, NV (United States)
- Publication Date:
- Research Org.:
- Univ. of Nevada, Reno, NV (United States); Univ. of Rochester, NY (United States). Lab. for Laser Energetics
- Sponsoring Org.:
- USDOE Office of Science (SC), Fusion Energy Sciences (FES); USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1602870
- Alternate Identifier(s):
- OSTI ID: 1600846; OSTI ID: 1602259
- Report Number(s):
- 2019-326; 1551
Journal ID: ISSN 1070-664X; TRN: US2104051
- Grant/Contract Number:
- NA0003856; SC0016500
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 27; Journal Issue: 2; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Citation Formats
Leal, L. S., Maximov, A. V., Betti, R., Sefkow, A. B., and Ivanov, V. V. Modeling magnetic confinement of laser-generated plasma in cylindrical geometry leading to disk-shaped structures. United States: N. p., 2020.
Web. doi:10.1063/1.5139888.
Leal, L. S., Maximov, A. V., Betti, R., Sefkow, A. B., & Ivanov, V. V. Modeling magnetic confinement of laser-generated plasma in cylindrical geometry leading to disk-shaped structures. United States. https://doi.org/10.1063/1.5139888
Leal, L. S., Maximov, A. V., Betti, R., Sefkow, A. B., and Ivanov, V. V. Thu .
"Modeling magnetic confinement of laser-generated plasma in cylindrical geometry leading to disk-shaped structures". United States. https://doi.org/10.1063/1.5139888. https://www.osti.gov/servlets/purl/1602870.
@article{osti_1602870,
title = {Modeling magnetic confinement of laser-generated plasma in cylindrical geometry leading to disk-shaped structures},
author = {Leal, L. S. and Maximov, A. V. and Betti, R. and Sefkow, A. B. and Ivanov, V. V.},
abstractNote = {Radiation-magnetohydrodynamic simulations were able to reproduce features of the plasma structures observed in recent experiments1, where a laser was used to ablate plasma in a 3 MG magnetic field. The laser ablates the plasma, and localized structures are formed due to the inhibition of heat flow by the magnetic field. The large magnetic pressures cause the plasma to pinch. In an azimuthal fi eld, a disc-shaped plasma is generated. According to simulations, the disc has electron densities that are underdense to the laser, ranging from 1018 to 1019 cm-3, and electron temperatures in the 300 to 1000 eV range during its evolution, similar to experimental data.},
doi = {10.1063/1.5139888},
journal = {Physics of Plasmas},
number = 2,
volume = 27,
place = {United States},
year = {Thu Feb 20 00:00:00 EST 2020},
month = {Thu Feb 20 00:00:00 EST 2020}
}
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