Nuclear recoil and vacuum-polarization effects on the binding energies of supercritical H-like ions Ivan A. Aleksandrov, Günter Plunien and Vladimir M. Shabaev Eur. Phys. J. D, 70 1 (2016) 18 Published online: 21 January 2016 DOI: 10.1140/epjd/e2015-60644-y