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Phys Rev Lett. 2014 Jun 20;112(24):246403. Epub 2014 Jun 18.

Parafermions in an interacting nanowire bundle.

Author information

1
Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA and Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland.
2
Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland.

Abstract

We propose a scheme to induce Z(3) parafermion modes, exotic zero-energy bound states that possess non-Abelian statistics. We consider a minimal setup consisting of a bundle of four tunnel coupled nanowires hosting spinless electrons that interact strongly with each other. The hallmark of our setup is that it relies only on simple one-dimensional wires, a uniform magnetic field, and strong interactions, but does not require the presence of superconductivity or exotic quantum Hall phases.

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