The Aharonov-Bohm effect in concentric quantum double rings

Guang Yin Chen, Yueh Nan Chen, Der San Chuu

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We propose a theoretical model for studying the single-electron spectra of the concentric quantum double ring fabricated lately by a self-assembled technique. The exact diagonalization method is employed to examine the Aharonov-Bohm effect in the concentric double ring. It is found that the appearance of the AB oscillation in total energy depends on the strength of the screened potential. Variations of the energy spectra with the presence of Coulomb impurities located in the inner or outer ring are also investigated.

Original languageEnglish
Pages (from-to)515-518
Number of pages4
JournalSolid State Communications
Volume143
Issue number11-12
DOIs
Publication statusPublished - 2007 Sep 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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