Majorana edge states in interacting one-dimensional systems

Details Majorana edge states in interacting one-dimensional systems Majorana edge states in interacting one-dimensional systems

2010-12-30

arxiv.org/abs/1101.0094v1

Phys. Rev. Lett. 107, 036801 (2011)

Physics

Condensed Matter

Strongly Correlated Electrons

4.2 page, 1 figure

Scientific paper

10.1103/PhysRevLett.107.036801

We show that one-dimensional electron systems in proximity of a superconductor that support Majorana edge states are extremely susceptible to electron-electron interactions. Strong interactions generically destroy the induced superconducting gap that stabilizes the Majorana edge states. For weak interactions, the renormalization of the gap is nonuniversal and allows for a regime, in which the Majorana edge states persist. We present strategies how this regime can be reached.

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