Chiral topological superconductor from the quantum Hall state

被引:470
作者
Qi, Xiao-Liang [1 ,2 ]
Hughes, Taylor L. [1 ,3 ]
Zhang, Shou-Cheng [1 ]
机构
[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
[2] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA
[3] Univ Illinois, Dept Phys, Urbana, IL 61801 USA
基金
美国国家科学基金会;
关键词
ZERO MODES; VORTICES; PARITY;
D O I
10.1103/PhysRevB.82.184516
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The chiral topological superconductor in two dimensions has a full pairing gap in the bulk and a single chiral Majorana state at the edge. The vortex of the chiral superconducting state carries a Majorana zero mode which is responsible for the non-Abelian statistics of the vortices. Despite intensive searches, this superconducting state has not yet been identified in nature. In this paper, we consider a quantum Hall or a quantum anomalous Hall state near the plateau transition and in proximity to a fully gapped s-wave superconductor. We show that this hybrid system may realize the chiral topological superconductor state and propose several experimental methods for its observation.
引用
收藏
页数:5
相关论文
共 21 条
[1]   Electrically Detected Interferometry of Majorana Fermions in a Topological Insulator [J].
Akhmerov, A. R. ;
Nilsson, Johan ;
Beenakker, C. W. J. .
PHYSICAL REVIEW LETTERS, 2009, 102 (21)
[2]   Superconducting proximity effect and Majorana fermions at the surface of a topological insulator [J].
Fu, Liang ;
Kane, C. L. .
PHYSICAL REVIEW LETTERS, 2008, 100 (09)
[3]   Electron Teleportation via Majorana Bound States in a Mesoscopic Superconductor [J].
Fu, Liang .
PHYSICAL REVIEW LETTERS, 2010, 104 (05)
[4]   Josephson current and noise at a superconductor/quantum-spin-Hall-insulator/superconductor junction [J].
Fu, Liang ;
Kane, C. L. .
PHYSICAL REVIEW B, 2009, 79 (16)
[5]   Probing Neutral Majorana Fermion Edge Modes with Charge Transport [J].
Fu, Liang ;
Kane, C. L. .
PHYSICAL REVIEW LETTERS, 2009, 102 (21)
[7]   Non-abelian statistics of half-quantum vortices in p-wave superconductors [J].
Ivanov, DA .
PHYSICAL REVIEW LETTERS, 2001, 86 (02) :268-271
[8]   ZERO MODES OF THE VORTEX-FERMION SYSTEM [J].
JACKIW, R ;
ROSSI, P .
NUCLEAR PHYSICS B, 1981, 190 (04) :681-691
[9]   The quantum spin Hall effect:: Theory and experiment [J].
Koenig, Markus ;
Buhmann, Hartmut ;
Molenkamp, Laurens W. ;
Hughes, Taylor ;
Liu, Chao-Xing ;
Qi, Xiao-Liang ;
Zhang, Shou-Cheng .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2008, 77 (03)
[10]   Quantum anomalous Hall effect in Hg1-yMnyTe quantum wells [J].
Liu, Chao-Xing ;
Qi, Xiao-Liang ;
Dai, Xi ;
Fang, Zhong ;
Zhang, Shou-Cheng .
PHYSICAL REVIEW LETTERS, 2008, 101 (14)