|Title||Simulation of laser wakefield acceleration of an ultrashort electron bunch|
|Publication Type||Journal Article|
|Year of Publication||2001|
|Authors||A.JW Reitsma, V.V Goloviznin, L.PJ Kamp, T.J Schep|
|Journal||Physical Review E|
The dynamics of the acceleration of a short electron bunch in a strong plasma wave excited by a laser pulse in a plasma channel is studied both analytically and numerically in slab geometry. ln our simulations, a fully nonlinear, relativistic hydrodynamic description for the plasma wave is combined with particle-in-cell methods for the description of the bunch. Collective self-interactions within:the bunch are fully taken into account. The existence of adiabatic invariants of motion is shown to have important implications for the final beam quality. Similar to the one-dimensional case, the natural evolution of the bunch is shown to lead, under proper initial conditions, to a minimum in the relative energy spread.
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