Anderson-type model for a molecule adsorbed on a metal surface

Details Anderson-type model for a molecule adsorbed on a metal surface Anderson-type model for a molecule adsorbed on a metal surface

2000-03-25

arxiv.org/abs/cond-mat/0003410v1

Europhys. Lett. 50, 642 (2000)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

7 pages (using europhys.sty), 5 EPS figures, To appear in Europhys. Lett

Scientific paper

10.1209/epl/i2000-00318-5

We investigate a modified Anderson model to study the local density of states
(LDOS) of a molecular wire adsorbed on a metal. Using a self-consistent
mean-field type approach we find an exponential decay of the LDOS along the
molecule. A repulsive on-site interaction on the molecule suppresses the
tunneling and decreases the characteristic decay length.

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