Imaging and controlling electron transport inside a quantum ring

Nature Physics

Volumn 2, Issue 12, 2006, Pages 826-830

  Hackens, B ^a,b   Martins, F ^a   Ouisse, T ^a   Sellier, H ^a   Bollaert, S ^c   Wallart, X ^c   Cappy, A ^c   Chevrier, J ^d   Bayot, V ^b   Huant, S ^a  

^a CNRS   (France)

^b UNIVERSITÉ CATHOLIQUE DE LOUVAIN   (Belgium)

^c INSTITUT D ELECTRONIQUE   (France)

^d LABORATOIRE DE CRISTALLOGRAPHIE   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ATOMIC FORCE MICROSCOPY; BALLISTICS; ELECTRON TRANSPORT PROPERTIES; HYDROPHOBICITY; NANORINGS; SCANNING PROBE MICROSCOPY;

AHARONOV-BOHM EFFECTS; ELECTRON PROPAGATION; ELECTRON TRANSPORT; ELECTRON WAVE INTERFERENCE; MACROSCOPIC PROPERTIES; QUANTUM TRANSPORT; STATISTICAL THEORY; TRANSPORT MEASUREMENTS;

QUANTUM CHEMISTRY;

EID: 33845211974     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys459     Document Type: Article

References (15)

1. Datta, S. Electronic Transport in Mesoscopic Systems (Cambridge Univ. Press, Cambridge, 1995).
2. Eriksson, M. A. et al. Cryogenic scanning probe characterization of semiconductor nanostructures. Appl. Phys. Lett. 69, 671-673 (1996).
3. Finkelstein, G., Glicofridis, P. I., Ashoori, R. C. & Shayegan, M. Topographic mapping of the quantum Hall liquid using a few-electron bubble. Science 289, 90-94 (2000).
4. Crook, R., Smith, C. G., Simmons, M. Y. & Ritchie, D. A. Imaging cyclotron orbits and scattering sites in a high-mobility two-dimensional electron gas. Phys. Rev. B 62, 5174-5178 (2000).
5. Topinka, M. A. et al. Imaging coherent electron flow from a quantum point contact. Science 289, 2323-2326 (2000).
6. Topinka, M. A. et al. Coherent branched flow in a two-dimensional electron gas. Nature 410, 183-186 (2001).
7. Crook, R. et al. Imaging fractal conductance fluctuations and scarred wave functions in a quantum billiard. Phys. Rev. Lett. 91, 246803 (2003).
8. Aharonov, Y. & Bohm, D. Significance of electromagnetic potentials in the quantum theory. Phys. Rev. 115, 485-491 (1959).
9. Webb, R. A., Washburn, S., Umbach, C. P. & Laibowitz, R. B. Observation of h/e Aharonov-Bohm oscillations in normal-metal rings. Phys. Rev. Lett. 54, 2696-2699 (1985).
10. Washburn, S., Schmid, H., Kern, D. & Webb, R. A. Normal-metal Aharonov-Bohm effect in the presence of a transverse electric field. Phys. Rev. Lett. 59, 001791 (1987).
11. Krafft, B., Förster, A., van der Hart, A. & Schäpers, Th. Control of Aharonov-Bohm oscillations in a AlGaAs/GaAs ring by asymmetric and symmetric gate biasing. Physica E 9, 635-641 (2001).
12. Hackens, B. et al. Long dephasing time and high-temperature conductance fluctuations in an open InGaAs quantum dot. Phys. Rev. B 66, 241305 (2002).
13. Hackens, B. et al. Dwell-time-limited coherence in open quantum dots. Phys. Rev. Lett. 94, 146802 (2005).
14. Yacoby, A., Sivan, U., Umbach, C. F. & Hong, J. M. Interference and dephasing by electron-electron interactions on length scales shorter than the elastic mean free path. Phys. Rev. Lett. 66, 1938-1941 (1991).
15. Bozhevolnyi, S. I., Volkov, V. S., Delvaux, E., Laluet, J.-Y. & Ebbesen, T. W. Channel plasmon subwavelength waveguide components including interferometers and ring resonators. Nature 440, 508-511 (2006).