Majorana Edge States in Interacting One-Dimensional Systems

Suhas Gangadharaiah*, Bernd Braunecker, Pascal Simon, Daniel Loss

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

226 Citations (Scopus)


We show that one-dimensional electron systems in the 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 of how this regime can be reached.

Original languageEnglish
Article number036801
Number of pages4
JournalPhysical Review Letters
Issue number3
Publication statusPublished - 11 Jul 2011


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