Physics
Scientific paper
Jun 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982phrvl..48.1614f&link_type=abstract
Physical Review Letters, vol. 48, June 7, 1982, p. 1614-1617. Research sponsored by the U.S. Department of Energy.
Physics
138
Collisionless Plasmas, Foils (Materials), Hot Electrons, Laser Plasmas, Laser Target Interactions, Magnetic Fields, Energy Transfer, Ionic Collisions, Plasma Density, Self Consistent Fields
Scientific paper
Electrons heated by absorption of laser energy are shown to generate intense magnetic fields which rapidly spread from the edge of the laser spot along the target surface. The fields convectively transport hot electrons and confine a major fraction of the deposited laser energy in the corona. Eventually, this energy is lost to fast-ion blowoff or deposited at large distances from the spot. This model qualitatively explains many experimental observations of thermal-transport inhibition and fast-ion loss.
Brackbill J. U.
Forslund David W.
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