Spontaneous spin polarization and charge localization in metal nanowires: the role of a geometric constriction.


An idealized jellium model of conducting nanowires with a geometric constriction is investigated by density functional theory (DFT) in the local spin density (LSD) approximation. The results reveal a fascinating variety of spin and charge patterns arising in wires of sufficiently low (r(s) ≥ 15) average electron density, pinned at the indentation by an… (More)
DOI: 10.1088/0953-8984/22/29/295302


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