Pauli spin blockade in cotunneling transport through a double quantum dot

Hongwu Liu, T. Fujisawa, T. Hayashi, Y. Hirayama

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

We study spin correlation in a double quantum dot containing a few electrons in each dot (around 10). Clear current rectification with negative differential conductance is observed in the cotunneling regime, which is well explained by a Pauli spin blockade. The current feature is discussed in connection with exchange singlet-triplet splitting based on two simple models, one of which takes coherent interdot coupling and the other incoherent interdot coupling into account.

Original languageEnglish
Article number161305
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume72
Issue number16
DOIs
Publication statusPublished - 2005 Oct 15
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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