D. Matera, M. Bonura, R. Černý, S. McKeown Walker, F. Buta, D. LeBoeuf, X. Chaud, E. Giannini & C. Senatore
Scientific Reports, 10, 17656 (2020)
The upper critical field sets the thermodynamic limit to superconductivity. A big gap is present between the upper-critical-field values measured in MgB2 polycrystalline bulk superconductors and...