Quantum Corrals, Eigenmodes and Quantum Mirages in s-wave Superconductors

Details Quantum Corrals, Eigenmodes and Quantum Mirages in s-wave Superconductors Quantum Corrals, Eigenmodes and Quantum Mirages in s-wave Superconductors

2003-04-23

arxiv.org/abs/cond-mat/0304533v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.92.107006

We study the electronic structure of magnetic and non-magnetic quantum corrals embedded in s-wave superconductors. We demonstrate that a quantum mirage of an impurity bound state peak can be projected from the occupied into the empty focus of a non-magnetic quantum corral via the excitation of the corral's eigenmodes. We observe an enhanced coupling between magnetic impurities inside the corral, which can be varied through oscillations in the corral's impurity potential. Finally, we discuss the form of eigenmodes in magnetic quantum corrals.

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