Quantum coherence and lifetimes of surface-state electrons


We discuss a novel approach to measure the electron phase-relaxation length and femtosecond lifetimes at surfaces. It relies on the study of the spatial decay of quantum interference patterns in the local density of states (LDOS) with the STM. The method has been applied to s–p derived surface-state electrons on Cu(111) and Ag(111). The characteristic decay… (More)


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