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  Journal of Nanoscience Letters. Volume 1, Issue 3 (2011) pp. 179-185
  Research Article
 
Resonant tunneling in SNS junctions through the quasistationary states
  Dima Bolmatov  
     
Department of Physics, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
   
  Abstract  
  Based on Path integral approach we treat resonant tunneling in SNS junctions through the quasistationary states. We investigate the tunneling conductance and the supercurrent through a quantum dot which is placed in the normal region and coupled to superconducting leads. We provide quantitative and qualitative descriptions as well: show that conductance displays a resonant behaviour and Josephson current exhibits sign, periodic oscillations.
     
  Keywords  
  Josephson devices; Quantum dots; Josephson effects; Path-integral methods; Critical currents  
     
   
   
   
   
     

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