Expansion of nanoplasmas and laser-driven nuclear fusion in single exploding clusters

The expansion of laser-irradiated clusters can be controlled by acting on the amount of energy delivered to the electrons. When increasing the electron energy, the expansion regime varies smoothly from a quasineutral, hydrodinamic-like to a Coulomb explosion (CE), as revealed by self-consistent kine...

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Bibliographic Details
Main Authors: Peano, F, Martins, J L, Fonseca, R A, Peinetti, F, Mulas, R, Coppa, G, Silva, L O
Format: Conference Proceeding
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CLUSTER EXPANSION
COLLISIONS
COULOMB EXCITATION
DEUTERIUM
ELECTRONS
IONS
IRRADIATION
LASER RADIATION
LASERS
MAGNETOHYDRODYNAMICS
PLASMA
PLASMA CONFINEMENT
PLASMA EXPANSION
PLASMA PRODUCTION
THERMONUCLEAR IGNITION
TOKAMAK DEVICES
VELOCITY
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Summary:The expansion of laser-irradiated clusters can be controlled by acting on the amount of energy delivered to the electrons. When increasing the electron energy, the expansion regime varies smoothly from a quasineutral, hydrodinamic-like to a Coulomb explosion (CE), as revealed by self-consistent kinetic analysis. A double-pump irradiation scheme can produce hybrid expansion regimes wherein a slow hydrodynamic expansion is followed by a fast CE, leading to ion overtaking and producing multiple ion flows expanding with different velocities, which can lead to intracluster fusion reactions in homonuclear deuterium clusters.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2996721