Dynamics and control of the expansion of finite-size plasmas produced in ultraintense laser-matter interactions

Details Dynamics and control of the expansion of finite-size plasmas produced in ultraintense laser-matter interactions Dynamics and control of the expansion of finite-size plasmas produced in ultraintense laser-matter interactions

2007-01-10

arxiv.org/abs/physics/0701124v1

Physics

Plasma Physics

Scientific paper

10.1063/1.2436855

The strong influence of the electron dynamics provides the possibility of controlling the expansion of laser-produced plasmas by appropriately shaping the laser pulse. A simple irradiation scheme is proposed to tailor the explosion of large deuterium clusters, inducing the formation of shock structures, capable of driving nuclear fusion reactions. Such a scenario has been thoroughly investigated, resorting to two- and three-dimensional particle-in-cell simulations. Furthermore, the intricate dynamics of ions and electrons during the collisionless expansion of spherical nanoplasmas has been analyzed in detail using a self-consistent ergodic-kinetic model. This study clarifies the transition from hydrodynamic-like to Coulomb-explosion regimes.

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