Theoretical modeling reveals magnetic-field-induced Fano-Kondo line shape oscillations on metallic surfaces, indicating potential suppression of conductance anti-resonances.
The use of the scanning tunneling microscope (STM) for the investigation of Kondo adatoms on normal metallic surfaces reveals a Fano-Kondo behavior of the conductance as a function of the tip bias. In this work, the Doniach-Sunjic expression is used to describe the Kondo peak and we analyze the effect of a complex Fano phase, arising from an external magnetic field, on the conductance pattern. It is demonstrated that such phase generates local oscillations of the Fano-Kondo line shape and can lead to the suppression of anti-resonances.
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Seridonio et al. (2009) studied this question.
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