Residual currents generated from vacuum by an electric field pulse in 2+1 dimensional QED models S.A. Smolyansky, D.V. Churochkin, V.V. Dmitriev, A.D. Panferov and B. Kämpfer EPJ Web Conf., 138 (2017) 06004 Published online: 27 March 2017 DOI: 10.1051/epjconf/201713806004