期刊
PHYSICAL REVIEW LETTERS
卷 110, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.096403
关键词
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资金
- NSF [DMR-0704545]
- DOE [DE-FG02-99ER45747, DE-AC02-05CH11231]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [704545] Funding Source: National Science Foundation
Realizations of Majorana fermions in solid state materials have attracted great interest recently in connection to topological order and quantum information processing. We propose a novel way to create Majorana fermions in superconductors. We show that an incipient noncollinear magnetic order turns a spin-singlet superconductor with nodes into a topological superconductor with a stable Majorana bound state in the vortex core, at a topologically stable magnetic point defect, and on the edge. We argue that such an exotic non-Abelian phase can be realized in extended t - J models on the triangular and square lattices. It is promising to search for Majorana fermions in correlated electron materials where nodal superconductivity and magnetism are two common caricatures. DOI: 10.1103/PhysRevLett.110.096403
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