Photon-Assisted Quasiparticle Transport and Andreev Transport through an Interacting Quantum Dot
Sam Young Cho, Kicheon Kang, Chang-Mo Ryu
Abstract
Resonant tunneling through a quantum dot coupled to superconducting reservoirs in the presence of time-dependent external voltage has been studied. A general formula of the current is derived based on the nonequilibrium Green's function technique. Using this formula photon-assisted quasiparticle transport has been investigated for the quantum dot connected to superconductors. In addition, resonant Andreev transport through a strongly correlated quantum dot connected to a normal metallic lead and a superconducting lead is studied.
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