Skip to main navigation Skip to search Skip to main content

Coupling of two localized magnetic moments and its detection

  • V. I. Puller
  • , L. G. Mourokh
  • , A. Shailos
  • , J. P. Bird
  • Stevens Institute of Technology
  • Arizona State University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We present results of the theoretical analysis of a device consisting of two quantum point contacts (QPCs) biased close to their pinch-off conditions, so that a local magnetic moment (LMM) is formed in each of them. Another quantum wire, running in parallel to the QPCs, serves as a detector of the states of the two LMMs. Employing the approach of our earlier theory [V. Puller et al., arXiv: cond-mat/0405705] we examine the sensitivity of the linear conductance of the wire to the states of the pair of LMMs. We show that the conductance of this wire exhibits a peak only when the LMMs are in the triplet state, confirming the potential of such a device for quantum computation.

Original languageEnglish
Title of host publicationPHYSICS OF SEMICONDUCTORS
Subtitle of host publication27th International Conference on the Physics of Semiconductors, ICPS-27
Pages905-906
Number of pages2
DOIs
StatePublished - Jun 30 2005
EventPHYSICS OF SEMICONDUCTORS: 27th International Conference on the Physics of Semiconductors, ICPS-27 - Flagstaff, AZ, United States
Duration: Jul 26 2004Jul 30 2004

Publication series

NameAIP Conference Proceedings
Volume772
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferencePHYSICS OF SEMICONDUCTORS: 27th International Conference on the Physics of Semiconductors, ICPS-27
Country/TerritoryUnited States
CityFlagstaff, AZ
Period07/26/0407/30/04

Fingerprint

Dive into the research topics of 'Coupling of two localized magnetic moments and its detection'. Together they form a unique fingerprint.

Cite this