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cond-mat.mes-hall2006★ 72 cited
Kondo effect in asymmetric Josephson couplings through a quantum dot
Yoshihide Tanaka, Akira Oguri, A. C. Hewson
Asymmetry in the Josephson couplings between two superconductors through a quantum dot is studied based on a single impurity Anderson model using the numerical renormalization grou…
cond-mat.mes-hall2004
Quantum phase transition in a minimal model for the Kondo effect in a Josephson junction
Akira Oguri, Yoshihide Tanaka, A. C. Hewson
We propose a minimal model for the Josephson current through a quantum dot in a Kondo regime. We start with the model that consists of an Anderson impurity connected to two superco…
cond-mat.mes-hall2003★ 1 cited
Effects of Electron Correlation on the Transport through a Quantum Dot Superlattice
Yoshihide Tanaka, Akira Oguri
We study correlation effects on the transport through a quantum dot superlattice using a two-dimensional Hubbard model connected to two noninteracting leads. To calculate the zero-…