Evidence for universal conductance fluctuations in an open quantum dot under a strictly parallel magnetic field

C. Gustin, S. Faniel, B. Hackens, E. P. De Poortere, M. Shayegan, V. Bayot

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

We investigate the transport properties of semiconductor ballistic cavities subject to a parallel magnetic field. Universal conductance fluctuations are observed on two GaAs/AlGaAs quantum well samples with one and two occupied carrier subbands, respectively. Large differences between the two open quantum dots in both the amplitude and frequency distribution of these fluctuations are analyzed in terms of electron orbital motion and magnetic subband depopulation.

Original languageEnglish (US)
Pages (from-to)154-155
Number of pages2
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume17
Issue number1-4
DOIs
StatePublished - Apr 2003
EventProceedings pf the International Conference on Superlattices - ICSNN 2002 - Touluse, France
Duration: Jul 22 2002Jul 26 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

Keywords

  • Open quantum dots
  • Orbital effect
  • Quantum chaos

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