Majorana edge states in interacting one-dimensional systems |
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Authors: | Gangadharaiah Suhas Braunecker Bernd Simon Pascal Loss Daniel |
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Institution: | Department of Physics, University of Basel, Klingelbergstrasse 82, 4056 Basel, Switzerland. |
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Abstract: | 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. |
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