期刊
PHYSICAL REVIEW B
卷 86, 期 18, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.86.184516
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资金
- HKRGC [DAG12SC01, 605512, HKUST3/CRF09]
In this work, we show that a quasi-one-dimensional d(x2-y2)-wave superconductor with Rashba spin-orbit coupling is a DIII class, time-reversal invariant, topological superconductor (TS), which supports a Majorana Kramers Doublet (MKD) at each end of the TS. A MKD is a pair of Majorana end states (MESs) protected by time-reversal symmetry (TRS). An external magnetic field breaks TRS and drives the system from DIII to D class in which case a single MES appears at each end of the TS. We show that a MKD induces resonant Andreev reflection with zero-bias conductance peak of 4e(2)/h. Experimental realizations of the proposed model are discussed.
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