Effect of dissipation on the phase transition in granular superconductors
E. Šimánek, R. Brown
DOI 10.1103/PhysRevB.34.3495 · Physical Review B
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Abstract
The phase diagram of the self-charging model of an array of resistively shunted junctions is calculated in the mean-field approximation using the functional integral formulation. The dissipation tends to diminish the effects of the charging energy U on the phase boundary: The degree of reentrance decreases and the boundary approaches the classical U=0 limit as g→∞.
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