Detection of spin polarization with a side-coupled quantum dot

Tomohiro Otsuka, Eisuke Abe, Yasuhiro Iye, Shingo Katsumoto

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We propose realistic methods to detect local spin polarization, which utilize a quantum dot side coupled to the target system. By choosing appropriate states in the dot, we can put spin selectivity to the dot and detect spins in the target with small disturbance. We also present an experiment which realizes one of the proposed spin-detection schemes in magnetic fields.

Original languageEnglish
Article number195313
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume79
Issue number19
DOIs
Publication statusPublished - 2009 May 1
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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