Metal-insulator transition in random superconducting networks
C. M. Soukoulis, Gary S. Grest, Qiming Li
DOI 10.1103/PhysRevB.38.12000 · Physical Review B
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Abstract
The nature of the eigenstates and the effects on the superconducting-to-normal phase boundary in a two-dimensional random superconducting network are examined by finite-size scaling transfer-matrix calculations within the mean-field Ginzburg-Landau theory of second-order phase transitions. Results for a site-diluted square lattice are presented and a rich structure in the mobility-edge trajectory is obtained. The critical exponent for the slope of the critical field on (p−pc) is calculated and compared with previous estimates.
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