Jahn-Teller / Kondo Interplay in a Three-Terminal Quantum Dot

Details Jahn-Teller / Kondo Interplay in a Three-Terminal Quantum Dot Jahn-Teller / Kondo Interplay in a Three-Terminal Quantum Dot

2005-12-11

arxiv.org/abs/cond-mat/0512235v3

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

In quantum dot circuits, screening electron clouds in strongly-coupled leads will hybridize with the states of the artificial atom. Using a three-terminal geometry, we directly probe the atomic structure of a quantum dot with Kondo coupling. Our measurements reveal that this hybrid system behaves as a non-linear entity with orbital degeneracy. Geometric distortion reduces the symmetry, lowers the energy, and lifts the degeneracy--the Jahn-Teller effect.

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