Appearance of spatiotemporal noise and its effect on transport of electron pairs in a superconducting junction device
Jing-hui Li
DOI 10.1103/PhysRevE.76.031120 · Physical Review E
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Abstract
Transport of electron pairs in a superconducting junction device with spatiotemporal noise is investigated. It is shown that, in a superconducting junction device, spatiotemporal noise can appear and induce a nonzero current due to the symmetry breaking induced by the correlation of the spatiotemporal noise with the phase difference. We found that there is a negative current for the electron pairs, exhibiting a well with increasing thermal noise strength. Our results can provide a theoretical foundation for the further investigation of superconducting junctions.
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