Metal-Quantum Dot-Topological Superconductor Junction: Kondo correlations and Majorana Bound States

Details Metal-Quantum Dot-Topological Superconductor Junction: Kondo correlations and Majorana Bound States Metal-Quantum Dot-Topological Superconductor Junction: Kondo correlations and Majorana Bound States

2011-05-02

arxiv.org/abs/1105.0289v1

Phys. Rev. Lett. 107, 176802 (2011)

Physics

Condensed Matter

Strongly Correlated Electrons

5 two column pages

Scientific paper

Electron transport through [normal metal]-[quantum dot]-[topological superconductor] junction is studied and reveals interlacing physics of Kondo correlations with two Majorana fermions bound state residing on the opposite edges of the topological superconductor. When the strength of the Majorana fermion coupling exceeds the temperature $T$, this combination of Kono-Majorana fermion physics can be observed: The usual peak of the temperature dependent zero biased conductance $\sigma(V=0,T)$ splits and the conductance has a {\it dip} at T=0. The height of the conductance side-peaks decreases with magnetic field.

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