Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2011-08-16
Phys. Rev. B, 85, 161401(R) (2012)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
Scientific paper
10.1103/PhysRevB.85.161401
We consider inelastic scattering of localized magnetic moments coupled with the electrons on the surface. We argue that spin-inelastic transitions of the magnetic impurities generate oscillations at a momentum $k$, corresponding to the inelastic mode, in the second derivative of the current with respect to voltage $d^2I/dV^2$. These oscillations are similar in nature to Friedel oscillations. Inelastic Friedel oscillations, which were previously proposed for spin-unpolarized set-up, is here extended for spin-polarized systems. We propose to use scanning tunneling microscope to measure spin-inelastic scattering generated at the impurity spin by imaging the $d^2I/dV^2$ oscillations on the metal surface.
Balatsky Alexander V.
Fransson Jonas
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