We investigate anti-resonances in the conductance of a ferromagnetic lead with a side-coupled quantum dot resulting from interference between a resonant and a nonresonant path through the system. The transport properties of electrons are derived in Coulomb blockade regime by the use of the equivalen
โฆ LIBER โฆ
Kondo resonance in a spinless two-level quantum dot side-coupled to two leads
โ Scribed by W.-R. Lee; Jaeuk U. Kim; H.-S. Sim
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 134 KB
- Volume
- 40
- Category
- Article
- ISSN
- 1386-9477
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We apply a Gutzwiller-like variational technique to study Josephson conduction across a quantum dot with an odd number of electrons connected to two superconducting leads. Our method projects out all states on the dot but the Kondo singlet and is valid when Kondo correlations are dominant and no And