The Kondo Effect in the Unitary Limit

We observe a strong Kondo effect in a semiconductor quantum dot when a small magnetic field is applied. The Coulomb blockade for electron tunneling is overcome completely by the Kondo effect, and the conductance reaches the unitary limit value. We compare the experimental Kondo temperature with the...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 2000-09, Vol.289 (5487), p.2105-2108
Hauptverfasser:	van der Wiel, W. G., de Franceschi, S., Fujisawa, T., Elzerman, J. M., Tarucha, S., Kouwenhoven, L. P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Bibliography Condensed matter: electronic structure, electrical, magnetic, and optical properties Drains Electric potential Electric properties Electromagnetism Electron tunneling Electron-electron interactions Electronic conduction in metals and alloys Electronic transport in condensed matter Electrons Exact sciences and technology Kondo effect Low temperature Magnetic fields Physics Quantum dots Quantum theory Scattering mechanisms and kondo effect Scientific Research Semiconductors Solids Temperature Tunnels
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