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}

The out-of-plane electric field E_y / v_AB₀ and electron current density J_ey / en₀v_A at Ω_i t = 50 (a), 60 (b), 65 (c), and 70 (d) respectively. Black curves show the in-plane magnetic field lines, and there is no initial perturbation in this case.