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Edge states and interferometers in the Pfaffian and anti-Pfaffian states of the nu=(5/2) quantum Hall system

Bishara, Waheb and Nayak, Chetan (2008) Edge states and interferometers in the Pfaffian and anti-Pfaffian states of the nu=(5/2) quantum Hall system. Physical Review B, 77 (16). Art. No. 165302. ISSN 1098-0121. https://resolver.caltech.edu/CaltechAUTHORS:BISprb08

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Abstract

We compute the tunneling current in a double point contact geometry of a quantum Hall system at filling fraction nu=(5/2), as a function of voltage and temperature, in the weak tunneling regime. We quantitatively compare two possible candidates for the state at nu=(5/2): the Moore-Read Pfaffian state, and its particle-hole conjugate, the anti-Pfaffian. We find that both possibilities exhibit the same qualitative behavior, and both have an even-odd effect that reflects their non-Abelian nature, but differ quantitatively in their voltage and temperature dependence.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1103/PhysRevB.77.165302DOIUNSPECIFIED
Additional Information:©2008 The American Physical Society. (Received 20 August 2007; revised 21 January 2008; published 1 April 2008) We would like to thank E. Ardonne and L. Fidkowski for helpful discussions. Editors’ Suggestion paper.
Subject Keywords:interferometers; quantum Hall effect; tunnelling
Issue or Number:16
Record Number:CaltechAUTHORS:BISprb08
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:BISprb08
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10009
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:05 Apr 2008
Last Modified:03 Oct 2019 00:05

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