Direct observation of a fractional charge

Nature

Volumn 389, Issue 6647, 1997, Pages 162-164

  De Picciotto, R ^a   Reznikov, M ^a   Heiblum, M ^a   Umansky, V ^a   Bunin, G ^a   Mahalu, D ^a  

^a WEIZMANN INSTITUTE OF SCIENCE   (Israel)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; ELECTRIC CURRENT; ELECTRICITY; ELECTRON; MAGNETIC FIELD; NOISE; PREDICTION; PRIORITY JOURNAL; QUANTUM THEORY;

EID: 0030760945     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/38241     Document Type: Article

References (22)

1. Millikan, R. A. Electron: Its Isolation and Determination of Some of Its Properties (Univ. Chicago Press, 1917).
2. Laughlin, R. B. Anomalous quantum Hall effect: an incompressible quantum fluid with fractional charge excitations. Phys. Rev. Lett. 50, 1395-1398 (1982).
3. c superconductors. Int. J. Mod. Phys. B5, 1507-1519 (1991).
4. von Klitzing, K., Dorda, G. & Pepper, M. New method for high accuracy determination of the fine-structure constant based on quantized Hall resistance. Phys. Rev. Lett. 45, 494-497 (1980).
5. Tsui, D. C., Stormer, H. L. & Gossard, A. C. Two-dimensional magneto-transport in the extreme quantum limit. Phys. Rev. Lett. 48, 1559-1562 (1982).
6. Simmons, J. A. et al. Resistance fluctuations in the integral and fractional quantum Hall effect regimes. Phys. Rev. B 44, 12933-12944 (1991).
7. Byers, N. & Yang, C. N. Theoretical considerations concerning quantized magnetic flux in super-conducting cylinders. Phys. Rev. Lett. 7, 46-49 (1961).
8. Gefen, Y. & Thouless, D. Detection of fractional charge and quenching of the quantum Hall effect. Phys. Rev. B 47, 10423-10436 (1993).
9. Goldman, V. J. & Su, B. Resonance tunneling in the fractional quantum Hall regime: measurement of fractional charge. Science 267, 1010-1012 (1995).
10. Franklin, J. D. F. et al. The Aharonov-Bohm effect in the fractional quantum Hall regime. Surf. Sci. 361, 17 (1996).
11. Prange, R. E. & Girvin, S. M. (eds) The Quantum Hall Effect (Springer, New York, 1987).
12. Wen, X. G. Chiral Luttinger liquid and the edge excitations in the fractional quantum Hall states. Phys. Rev. B 41, 12838-12844 (1990).
13. Kane, C. L. & Fisher, M. P. A. Nonequilibrium noise and fractional charge in the quantum Hall effect Phys. Rev. Lett. 72, 724-727 (1994).
14. de Chamon, C., Freed, D. E. & Wen, X. G. Tunneling and quantum shot noise in Luttinger liquids. Phys. Rev. B 51, 2363-2378 (1995).
15. Fendley, A., Ludwig, W. W. & Saleur, H. Exact nonequilibrium DC shot noise in Luttinger liquids and fractional quantum Hall devices. Phys. Rev. Lett. 75, 2196-2199 (1995).
16. Fendley, P. & Saleur, H. Nonequilibrium DC noise in a Luttinger liquid with an impurity. Phys. Rev. B 54, 10845-10854 (1996).
17. Lesovik, G. B. Excess quantum shot noise in 2D ballistic point contacts. JETP Lett. 49, 592-594 (1989).
18. Martin, T. & Landauer, R. Wave packet approach to noise in multichannel mesoscopic systems. Phys. Rev. B 45, 1742-1755 (1992).
19. Buttiker, M. Scattering theory of current and intensity noise correlations in conductors and wave guides. Phys. Rev. B 46, 12485-12507 (1992).
20. Reznikov, M., Heiblum, M., Srtikman, H. & Mahalu, D. Temporal correlations of electrons: suppression of shot noise in a ballistic point contact. Phys. Rev. Lett. 75, 3340-3343 (1995).
21. Kumar, A., Saminadayar, L., Glattli, D. C., Jin, Y. & Etienne, B. Experimental test of the quantum shot noise reduction theory. Phys. Rev. Lett. 76, 2778 (1996).
22. Saminadayar, L., Glattli, D. C., Jin, Y. & Etienne, B. Observation of the e/3 fractionally charged Laughlin quasiparticles. Phys. Rev. Lett. (submitted).