An impurity spin in one-dimensional antisymmetric spin filter

An impurity spin in one-dimensional antisymmetric spin filter

The influence of an impurity spin in one-dimensional antisymmetric spin filter is studied employing the poor man's scaling renormalization group (RG) method. The Zeeman energy of the impurity spin prevents the scaling flow entering strong coupling regime, hence the spin filtering mechanism rema...

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Veröffentlicht in:Journal of magnetism and magnetic materials 2007-03, Vol.310 (2), p.2049-2051
Hauptverfasser: Park, Jaeshin, Lee, Hyun C.
Format: Artikel
Sprache:eng
Schlagworte:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electronic transport in condensed matter
Exact sciences and technology
Impurity spin
Magnetic properties and materials
Physics
Renormalization group
Spin filter
Spin polarized transport
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Zusammenfassung:The influence of an impurity spin in one-dimensional antisymmetric spin filter is studied employing the poor man's scaling renormalization group (RG) method. The Zeeman energy of the impurity spin prevents the scaling flow entering strong coupling regime, hence the spin filtering mechanism remains robust against the impurity spin.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2006.10.978