New universality class for superconducting order parameter
M. I. Dobroliubov, S. Yu. Khlebnikov
DOI 10.1103/PhysRevLett.67.2084 · Physical Review Letters
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Abstract
We present a model of superconductivity with the BCS-like pairing due to Aharonov-Bohm forces. The gap is proportional to the first power of the small parameter (in which the self-consistent perturbation scheme is developed), as opposed to the BCS class of models where the gap is exponentially suppressed with the small parameter.
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