【摘 要】
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The Majorana zero mode (MZM),which manifests as an exotic neutral excitation in superconductors,is thebuilding block of topological quantum computing.It has rec
【机 构】
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State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai 200433
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The Majorana zero mode (MZM),which manifests as an exotic neutral excitation in superconductors,is thebuilding block of topological quantum computing.It has recently been found in the vortices of several iron-basedsuperconductors as a zero-bias conductance peak in tunneling spectroscopy.In particular,a clean and robustMZM has been observed in the cores of free vortices in (Li0.84Fe0.16)OHFeSe.Here using scanning tunnelingspectroscopy,we demonstrate that Majorana-induced resonant Andreev reflection occurs between the STM tipand this zero-bias bound state,and consequently,the conductance at zero bias is quantized as 2e2 /h.Our resultspresent a hallmark signature of the MZM in the vortex of an intrinsic topological superconductor,together withits intriguing behavior.
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