Phase effect on and symmetry of pair production in inhomogeneous electric fields with chirping Melike Mohamedsedik, Lie-Juan Li, Li Wang, Orkash Amat, Li-Na Hu and B. S. Xie Eur. Phys. J. Plus, 138 4 (2023) 316 Published online: 05 April 2023 DOI: 10.1140/epjp/s13360-023-03926-1