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Quantum rings show quite a huge richness in interaction and interference effects. In the talk several experiments studying transport through smiconducting quantum rings will be discussed. A small quantum ring showing interaction effects among a small number of electrons [1] will be presented as well as results from larger rings, e.g. interaction effects between two concentric quantum rings [2].
[1] U.F. Keyser et al., Phys. Rev. Lett. 90, 196601 (2003). [2] A. Muehle et al., Appl. Phys. Lett. 91, 133116 (2007) |
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