Ground state of the hydrogen atom via Dirac equation in a minimal-length scenario T. L. Antonacci Oakes, R. O. Francisco, J. C. Fabris and J. A. Nogueira Eur. Phys. J. C, 73 7 (2013) 2495 Published online: 06 July 2013 DOI: 10.1140/epjc/s10052-013-2495-6