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Quantum resonances of weakly linked, mesoscopic, superconducting dots

Research output: Contribution to journalLetter

<mark>Journal publication date</mark>18/04/1994
<mark>Journal</mark>Journal of Physics: Condensed Matter
Issue number16
Number of pages6
Pages (from-to)L221-L226
<mark>Original language</mark>English


We examine quantum properties of mesoscopic, Josephson coupled superconducting dots, in the limit that charging effects and quantization of energy levels within the dots are negligible, but quasi-particle transmission into the weak link is not. We demonstrate that quasi-particle resonances lead to current-phase relations, which deviate markedly from those of weak links connecting macroscopic superconductors. Results for the steady state DC Josephson current of two coupled dots are presented.