STM conductance of Kondo impurities on open and structured surfaces

Details STM conductance of Kondo impurities on open and structured surfaces STM conductance of Kondo impurities on open and structured surfaces

2002-12-05

arxiv.org/abs/cond-mat/0212120v1

Phys. Rev. B 67, 205420 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, 6 figures

Scientific paper

10.1103/PhysRevB.67.205420

We study the scanning tunneling microscopy response for magnetic atoms on open and structured surfaces using Wilson's renormalization group. We observe Fano resonances associated with Kondo resonances and interference effects. For a magnetic atom in a quantum corral coupled to the confined surface states, and experimentally relevant parameters, we observe a large confinement induced effect not present in the experiments. These results suggest that the Kondo screening is dominated by the bulk electrons rather than the surface ones.

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