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题名: Insulator/metal phase transition and colossal magnetoresistance in holographic model
作者: Cai, RG;  Yang, RQ
刊名: PHYSICAL REVIEW D
出版日期: 2015
卷号: 92, 期号:10, 页码:106002
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.92.106002
通讯作者: Cai, RG (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: Within massive gravity, we construct a gravity dual for the insulator/metal phase transition and colossal magnetoresistance effect found in some manganese oxides materials. In the heavy graviton limit, a remarkable magnetic-field-sensitive DC resistivity peak appears at the Curie temperature, where an insulator/metal phase transition happens and the magnetoresistance is scaled with the square of field-induced magnetization. We find that metallic and insulating phases coexist below the Curie point and the relation with the electronic phase separation is discussed.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: STRING THEORY ;  SEPARATION ;  MANGANITES
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11375247, 11435006]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20799
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Cai, RG,Yang, RQ. Insulator/metal phase transition and colossal magnetoresistance in holographic model[J]. PHYSICAL REVIEW D,2015,92(10):106002.
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