Conductance through a single nonlinear impurity

  • M. I. Molina*
  • , H. Bahlouli
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

We use the discrete nonlinear Schrödinger (DNLS) equation to describe tunneling through a single magnetic impurity connected to two perfect leads, in the presence of a magnetic field. Due to the presence of a strong on-site nonlinear interaction between two opposite spins at the impurity site, the zero voltage conductance exhibits strong correlations between parallel and anti-parallel spin conduction channels.

Original languageEnglish
Pages (from-to)87-94
Number of pages8
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume294
Issue number2
DOIs
StatePublished - 18 Feb 2002

Bibliographical note

Funding Information:
H.B. would like to thank the physics department at KFUPM for its continuous support during the progress of this work; M.I.M. was partially supported by FONDECYT grant 1990960.

ASJC Scopus subject areas

  • General Physics and Astronomy

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