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 language | English |
|---|---|
| Pages (from-to) | 87-94 |
| Number of pages | 8 |
| Journal | Physics Letters, Section A: General, Atomic and Solid State Physics |
| Volume | 294 |
| Issue number | 2 |
| DOIs | |
| State | Published - 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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