Direct electron acceleration by chirped laser pulse in a cylindrical plasma channel

Hu Yong-Nan¹, Cheng Li-Hong², Yao Zheng-Wei¹, Zhang Xiao-Bo¹, Zhang Ai-Xia¹, Xue Ju-Kui^{1, †}

Variation of γ/γ_vac (a), dephasing rate (b) and oscillation displacement in y direction (c) of electron against z/λ for different intensity of Gauss chirped laser under same plasma density (ω_p0 = 0.05, a₀ = 6).