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Majorana fermions

A quantum critical approach

Coupling a single electron level to dissipative leads allows the study of unusual behaviour near a quantum critical point, including the fractionalization of the resonant level into two Majorana fermions.

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Figure 1: An electron (blue dot), asymmetrically coupled to two dissipative leads, tunnels from the quantum dot (represented by the central blue peak confined between two barriers) to the more strongly coupled lead, where it launches a bosonic mode.

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Correspondence to Lucas Peeters or David Goldhaber-Gordon.

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Peeters, L., Goldhaber-Gordon, D. A quantum critical approach. Nature Phys 9, 695–696 (2013). https://doi.org/10.1038/nphys2804

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