Helical modes and Majorana edge states in interacting nanowires
Tue, 2012-03-20 11:47 - Lukas Hanschke
Date:
2011-09-07 - 2011-09-10
Conference/Workshop/Place:
WORKSHOP on Superconducting hybrids: from conventional to exotic. Villard de Lans, France
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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