Figure 1

(a) Electron density at t = 20 TL, 30 TL and 60 TL. (b) The maximum Lorentz factor γ for electrons from different intial positions. (c) The longitudinal electric field ES‖ at t = 60 TL.
(a) Electron density at t = 20 TL, 30 TL and 60 TL. (b) The maximum Lorentz factor γ for electrons from different intial positions. (c) The longitudinal electric field ES‖ at t = 60 TL.