Work

Theory of the Fano Resonance in the STM Tunneling Density of States due to a Single Kondo Impurity

Year: 2000

Type: article

Abstract: The conduction electron density of states nearby single magnetic impurities, as measured recently by scanning tunneling microscopy (STM), is calculated, taking into account tunneling into conduction electron states only. The Kondo effect induces a narrow Fano resonance in the conduction electron density of states. The line shape varies with the distance between STM tip and impurity, in qualitative agreement with experiments, but is very sensitive to details of the band structure. For a Co impurity the experimentally observed width and shift of the Kondo resonance are in accordance with those obtained from a combination of band structure and strongly correlated calculations.

Source: Physical Review Letters

DOI: 10.1103/physrevlett.85.2557

Authors: O. Újsághy, J. Kroha, L. Szunyogh, A. Zawadowski

Institutions: Budapest University of Technology and Economics, Hungarian Academy of Sciences, Karlsruhe Institute of Technology

Language: English

Topic: Quantum and electron transport phenomena

Subfield: Condensed Matter Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

Funders: Deutsche Forschungsgemeinschaft, Hungarian Scientific Research Fund

OpenAlex ID: W2091941614

FWCI: 9.233

Cites: 22

Cited by: 325

Related to: 10