Source:http://linkedlifedata.com/resource/pubmed/id/21405648
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
9
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pubmed:dateCreated |
2011-3-16
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pubmed:abstractText |
We study theoretically the RKKY interaction between magnetic impurities on the surface of three-dimensional topological insulators, mediated by the helical Dirac electrons. Exact analytical expression shows that the RKKY interaction consists of the Heisenberg-like, Ising-like, and Dzyaloshinskii-Moriya (DM)-like terms. It provides us a new way to control surface magnetism electrically. The gap opened by doped magnetic ions can lead to a short-range Bloembergen-Rowland interaction. The competition among the Heisenberg, Ising, and DM terms leads to rich spin configurations and an anomalous Hall effect on different lattices.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:status |
PubMed-not-MEDLINE
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pubmed:month |
Mar
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pubmed:issn |
1079-7114
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:day |
4
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pubmed:volume |
106
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
097201
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pubmed:year |
2011
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pubmed:articleTitle |
Electrically controllable surface magnetism on the surface of topological insulators.
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pubmed:affiliation |
SKLSM, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, China.
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pubmed:publicationType |
Journal Article
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