Spontaneous growth of the reconnection electric field during magnetic reconnection with a guide field: A theoretical model and particle-in-cell simulations

Huang Kai^{1, 2}, Lu Quan-Ming^{1, 2, †}, Wang Rong-Sheng^{1, 2}, Wang Shui^{1, 2}

Time evolution of the reconnection electric field E_y / v_AB₀ when the initial perturbation amplitude is Ψ₀ / (B₀d_i) = 0.05 (the black line) and 0.1 (the blue line) respectively. The dashed lines show the fitted growth rate.