Quasiparticle tunneling through a barrier in the fractional quantum hall regime

Elad Shopen, Yuval Gefen, Yigal Meir

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Tunneling of fractionally charged quasiparticles (QPs) through a barrier is considered in the context of a multiply connected geometry. In this geometry global constraints do not prohibit such a tunneling process. The tunneling amplitude is evaluated and the crossover from mesoscopic QP-dominated to electron-dominated tunneling as the system's size is increased is found. The presence of disorder enhances both electron and QP-tunneling rates.

Original languageEnglish
Article number136803
JournalPhysical Review Letters
Volume95
Issue number13
DOIs
StatePublished - 23 Sep 2005

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