✦ LIBER ✦

Fractal conductance fluctuations in a quantum-dot molecule

✍ Scribed by N Aoki; L.-H Lin; Y Iwase; T Morimoto; T Sasaki; Y Ochiai; K Ishibashi; J.P Bird

Publisher: Elsevier Science
Year: 2003
Tongue: English
Weight: 472 KB
Volume: 19
Category: Article
ISSN: 1386-9477
DOI: 10.1016/s1386-9477(03)00320-5

No coin nor oath required. For personal study only.

✦ Synopsis

Exactly self-similar, and statistically self-similar, features have been studied in the magneto-conductance of an open quantum-dot molecule. The fractal dimensions determined from the two di erent features are found to di er signiÿcantly from each other. While we do not understand the detailed origins of this di erence at present, our results suggest that di erent physical processes are responsible for the two di erent types of fractal structure.

📜 SIMILAR VOLUMES

Conductance fluctuations in quantum dots

✍ K.B. Efetov; V.N. Prigodin; S. Iida 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 141 KB

Conductance fluctuations in a ballistic

Conductance fluctuations in a ballistic in-plane gated InGaAs quantum dot

✍ K.M. Connolly; D.P. Pivin; Jr; D.K. Ferry; H.H. Wieder 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 236 KB

Recent experiments have examined the magnetoconductance properties of mesoscopic quantum dots, defined in high mobility GaAs/AlGaAs heterojunctions utilizing split-gate techniques. Here, we report on a submicron, square quantum dot defined in a pseudomorphic InGaAs/GaAs single quantum well through a

Low temperature conductance fluctuations

Low temperature conductance fluctuations in double-dot system

✍ N Aoki; D Oonishi; Y Iwase; K Ishibashi; Y Aoyagi; Y Ochiai 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 329 KB

We have studied the low temperature conductance fluctuations in double-dot systems. The electron wave coupling between ballistic quantum dots has been investigated in a pair of coupled quantum dots defined by several independently-tunable quantum-point-contacts (QPCs). Reproducible conductance fluct

Capacitance fluctuations in quantum dots

✍ M. Stopa 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 85 KB

Evidence for universal conductance fluct

Evidence for universal conductance fluctuations in an open quantum dot under a strictly parallel magnetic field

✍ C. Gustin; S. Faniel; B. Hackens; E.P. De Poortere; M. Shayegan; V. Bayot 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 191 KB

Coulomb blockade and conductance oscilla

Coulomb blockade and conductance oscillations in a quantum dot

✍ Magnus Persson; Joakim Pettersson; Anders Kristensen; Poul Erik Lindelof 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 156 KB

We have studied conductance oscillations of a quantum dot by varying the gate potential of one of the gate pairs, that forms the quantum dot, while the other pair was kept at a constant potential. The potential was varied from pinch-off to a level where two or more transverse modes were transmitted