Essentially nonperturbative vacuum polarization effects in a two-dimensional Dirac-Coulomb system for \(Z > Z_{\mathrm{cr}}\): vacuum polarization effects. (English. Russian original) Zbl 1432.81058
Theor. Math. Phys. 199, No. 1, 533-561 (2019); translation from Teor. Mat. Fiz. 199, No. 1, 69-103 (2019).
Reviewer: Alex B. Gaina (Chisinau)