Adiabatic pumping through a quantum dot under the Kondo effect
β Scribed by Tomosuke Aono
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 167 KB
- Volume
- 359-361
- Category
- Article
- ISSN
- 0921-4526
No coin nor oath required. For personal study only.
β¦ Synopsis
Adiabatic pumping through a quantum dot is investigated under the strong Coulomb interaction using the slave boson mean-field theory. The pumped current is driven by time-dependent gate voltages applied to the dot. We illustrate the pumped current peculiar to the Kondo effect.
π SIMILAR VOLUMES
Electron tunneling through a double quantum-dot molecule, in the Kondo regime, under the effect of a magnetic field and an applied voltage, is studied. This system possesses a complex response to the applied fields characterized by a tristable solution for the conductance. The different nature of th
## Abstract The Kondo effect in a system consisting of a QD coupled to nonβmagnetic or ferromagnetic electrodes is studied theoretically in the framework of the nonβequilibrium Green function formalism. Variation of the Kondo anomaly in differential conductance with the correlation parameter __U__