Echolocation by Quasiparticles - Condensed Matter > SuperconductivityReport as inadecuate

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Abstract: It is shown that the local density of states LDOS, measured in an ScanningTunneling Microscopy STM experiment, at a single tip position containsoscillations as a function of Energy, due to quasiparticle interference, whichis related to the positions of nearby scatterers. We propose a method of STMdata analysis based on this idea, which can be used to locate the scatterers.In the case of a superconductor, the method can potentially distinguish thenature of the scattering by a particular impurity.

Author: Sumiran Pujari, C. L. Henley



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