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Observation of quantum asymmetry in an Aharonov-Bohm ring

✍ Scribed by Pedersen, S.; Hansen, A. E.; Kristensen, A.; Sørensen, C. B.; Lindelof, P. E.

Book ID
118143268
Publisher
The American Physical Society
Year
2000
Tongue
English
Weight
216 KB
Volume
61
Category
Article
ISSN
1098-0121

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Aharonov–Bohm oscillations in p-type GaA
Aharonov–Bohm oscillations in p-type GaAs quantum rings
✍ Boris Grbić; Renaud Leturcq; Thomas Ihn; Klaus Ensslin; Dirk Reuter; Andreas D. 📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 520 KB

We have explored phase coherent transport of holes in two p-type GaAs quantum rings with orbital radii 420 and 160 nm fabricated with AFM oxidation lithography. Highly visible Aharonov-Bohm (AB) oscillations are measured in both rings, with an amplitude of the oscillations exceeding 10% of the total