Electron teleportation and statistical transmutation in multiterminal Majorana islands

Karen Michaeli*, L. Aviad Landau, Eran Sela, Liang Fu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We study a topological superconductor island with spatially separated Majorana modes coupled to multiple normal-metal leads by single-electron tunneling in the Coulomb blockade regime. We show that lowerature transport in such a Majorana island is carried by an emergent charge-e boson composed of a Majorana mode and an electronic excitation in leads. This transmutation from Fermi to Bose statistics has remarkable consequences. For noninteracting leads, the system flows to a non-Fermi-liquid fixed point, which is stable against tunnel couplings anisotropy or detuning away from the charge-degeneracy point. As a result, the system exhibits a universal conductance at zero temperature, which is a fraction of the conductance quantum, and lowerature corrections with a universal power-law exponent. In addition, we consider Majorana islands connected to interacting one-dimensional leads, and find different stable fixed points near and far from the charge-degeneracy point.

Original languageEnglish
Article number205403
JournalPhysical Review B
Issue number20
StatePublished - 1 Nov 2017


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