Mathematics – Numerical Analysis
Scientific paper
2007-10-22
Mathematical Models and Methods in Applied Sciences 19, 2 (2009) 175-197
Mathematics
Numerical Analysis
Scientific paper
10.1142/S0218202509003395
We study the two-scale asymptotics for a charged beam under the action of a
rapidly oscillating external electric field. After proving the convergence to
the correct asymptotic state, we develop a numerical method for solving the
limit model involving two time scales and validate its efficiency for the
simulation of long time beam evolution.
Frenod Emmanuel
Salvarani Francesco
Sonnendrücker Eric
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