Suppression of s-wave superconductivity by kinetic disorder in a two-dimensional attractive Hubbard model Sanjeev Kumar and Prabuddha B. Chakraborty Eur. Phys. J. B, 88 3 (2015) 69 Published online: 19 March 2015 DOI: 10.1140/epjb/e2015-50733-2