First Measurements of Rayleigh-Taylor-Induced Magnetic Fields in Laser-Produced Plasmas

被引:67
|
作者
Manuel, M. J. -E. [1 ]
Li, C. K. [1 ]
Seguin, F. H. [1 ]
Frenje, J. [1 ]
Casey, D. T. [1 ]
Petrasso, R. D. [1 ]
Hu, S. X. [2 ]
Betti, R. [2 ]
Hager, J. D. [2 ]
Meyerhofer, D. D. [2 ]
Smalyuk, V. A. [2 ]
机构
[1] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA
[2] Univ Rochester, Laser Energet Lab, Rochester, NY 14623 USA
关键词
INSTABILITY; FUSION; OMEGA; SIMULATIONS; GENERATION; IMPLOSIONS; SYSTEM; SHELL;
D O I
10.1103/PhysRevLett.108.255006
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The first experimental demonstration of Rayleigh-Taylor-induced magnetic fields due to the Biermann battery effect has been made. Experiments with laser-irradiated plastic foils were performed to investigate these illusive fields using a monoenergetic proton radiography system. Path-integrated B field strength measurements were inferred from radiographs and found to increase from 10 to 100 T mu m during the linear growth phase for 120 mu m perturbations. Proton fluence modulations were corrected for Coulomb scattering using measured areal density profiles from x-ray radiographs.
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页数:5
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