Electron transport through a strongly correlated monoatomic chain

Details Electron transport through a strongly correlated monoatomic chain Electron transport through a strongly correlated monoatomic chain

2005-11-08

arxiv.org/abs/cond-mat/0511196v1

Surf. Sci. 600, 1697 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

7 pages, 5 figures

Scientific paper

10.1016/j.susc.2005.11.053

We study transport properties of a strongly correlated monoatomic chain coupled to metallic leads. Our system is described by tight binding Hubbard-like model in the limit of strong on-site electron-electron interactions in the wire. The equation of motion technique in the slave boson representation has been applied to obtain analytical and numerical results. Calculated linear conductance of the system shows oscillatory behavior as a function of the wire length. We have also found similar oscillations of the electron charge in the system. Moreover our results show spontaneous spin polarization in the wire. Finally, we compare our results with those for non-interacting chain and discuss their modifications due to the Coulomb interactions in the system.

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