Physics – Condensed Matter
Scientific paper
1992-11-30
Physics
Condensed Matter
11 pages, IUCM-004, plain tex
Scientific paper
10.1103/PhysRevLett.70.3107
We show that a quantum dot in the fractional Hall regime exhibits mesoscopic magnetic oscillations with a period which is a multiple of the period for free electrons. Our calculations are performed for parabolic quantum dots with hard-core electron-electron interactions and are exact in the strong field limit for $k_B T$ smaller than the fractional Hall gap. Explicit expressions are given for the temperature dependence of the amplitude of the oscillations.
Johnson Michael D.
MacDonald Allan. H.
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