Phase measurements in open and closed Aharonov-Bohm interferometers

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Mesoscopic Aharonov-Bohm interferometers have been used in attempts to measure the transmission phase of a quantum dot which is placed on one arm of the interferometer. Here we review theoretical results for the conductance through such interferometers, for both the closed (two-terminal) and open (multi-terminal) cases. In addition to earlier results for the Coulomb blockade regime, we present new results for the strongly correlated Kondo regime, and test the consistency of the two-slit analysis of some data from open interferometer experiments.

Original languageEnglish
Pages (from-to)283-288
Number of pages6
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Issue number1-2
StatePublished - Oct 2005


  • Aharonov-Bohm interferometer
  • Interference in nanostructures
  • Kondo effect
  • Quantum dots


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