Many-body theory of the quantum mirage

Details Many-body theory of the quantum mirage Many-body theory of the quantum mirage

2001-01-08

arxiv.org/abs/cond-mat/0101082v2

Physical Review B 64, 121102(R) (2001)

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 5 figures. Some clarifications of the method added, and a reference included to show that the hybridization of the im

Scientific paper

10.1103/PhysRevB.64.121102

In recent scanning tunneling microscopy experiments, confinement in an elliptical corral has been used to project the Kondo effect from one focus to the other one. I solve the Anderson model at arbitrary temperatures, for an impurity hybridized with eigenstates of an elliptical corral, each of which has a resonant level width delta. This width is crucial. If delta < 20 meV, the Kondo peak disappears, while if delta > 80 meV, the mirage disappears. For particular conditions, a stronger mirage with the impurity out of the foci is predicted.

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