期刊
PHYSICAL REVIEW B
卷 81, 期 8, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.081403
关键词
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资金
- DOE [DE-AC02-05CH11231]
- LBNL DOE [504108]
- Center for Condensed Matter Theory at University of California, Berkeley
We show that when superconductivity is induced in graphene through proximity effect, a superconducting vortex is dressed with an interesting pattern of textured order parameters. Furthermore, passing a supercurrent in a superconducting graphene sample induces accumulation of valley pseudospin quantum number at edges: the quantum valley Hall effect will be observable in superconducting graphene. These effects reveal a quantum duality between different order parameters that is at heart of the Wess-Zumino-Witten term.
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