Transport spectroscopy of a Coulomb island in the quantum Hall regime

P. L. McEuen, E. B. Foxman, U. Meirav, M. A. Kastner, Yigal Meir, Ned S. Wingreen, S. J. Wind

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Abstract

Transport measurements of a Coulomb island, a semiconductor dot small enough that Coulomb interactions dominate transport are presented. At moderate magnetic fields (B=24 T) the amplitude and position of the Coulomb-regulated conductance peaks show distinct periodic structure as a function of B. This structure is shown to result from the B dependence of the quantized single-particle energy states on the island. Analysis of successive peaks is used to map out the single-particle level spectrum of the island as a function of B.

Original languageEnglish (US)
Pages (from-to)1926-1929
Number of pages4
JournalPhysical review letters
Volume66
Issue number14
DOIs
StatePublished - Jan 1 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    McEuen, P. L., Foxman, E. B., Meirav, U., Kastner, M. A., Meir, Y., Wingreen, N. S., & Wind, S. J. (1991). Transport spectroscopy of a Coulomb island in the quantum Hall regime. Physical review letters, 66(14), 1926-1929. https://doi.org/10.1103/PhysRevLett.66.1926