The Aharonov-Bohm effect in the fractional quantum Hall regime

We have investigated experimentally resonant tunnelling through single-particle states formed around an antidot by a magnetic field, in the fractional quantum Hall regime. For 1/3 filling factor around the antidot, Aharonov-Bohm oscillations are observed with the same magnetic field period as in the...

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Bibliographic Details
Published inSurface science Vol. 361; pp. 17 - 21
Main Authors Franklin, J.D.F., Zailer, I., Ford, C.J.B., Simpson, P.J., Frost, J.E.F., Ritchie, D.A., Simmons, M.Y., Pepper, M.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.07.1996
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Summary:We have investigated experimentally resonant tunnelling through single-particle states formed around an antidot by a magnetic field, in the fractional quantum Hall regime. For 1/3 filling factor around the antidot, Aharonov-Bohm oscillations are observed with the same magnetic field period as in the integer quantum Hall regime. All our measurements are consistent with quasiparticles of fractional charge e*. However, the results are also consistent with particles of any charge (≥ e*) as the system must rearrange every time the flux enclosed increases by h/ e.
ISSN:0039-6028
1879-2758
DOI:10.1016/0039-6028(96)00320-2