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题名: Massive 2-form field and holographic ferromagnetic phase transition
作者: Cai, RG;  Yang, RQ;  Wu, YB;  Zhang, CY
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2015
期号: 11, 页码:21
关键词: Holography and condensed matter physics (AdS/CMT) ;  AdS-CFT Correspondence ;  Gauge-gravity correspondence ;  Black Holes
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP11(2015)021
通讯作者: Cai, RG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: In this paper we investigate in some detail the holographic ferromagnetic phase transition in an AdS(4) black brane background by introducing a massive 2-form field coupled to the Maxwell field strength in the bulk. In two probe limits, one is to neglect the back reaction of the 2-form field to the background geometry and to the Maxwell field, and the other to neglect the back reaction of both the Maxwell field and the 2-form field, we find that the spontaneous magnetization and the ferromagnetic phase transition always happen when the temperature gets low enough with similar critical behavior. We calculate the DC resistivity in a semi-analytical method in the second probe limit and find it behaves as the colossal magnetic resistance effect in some materials. In the case with the first probe limit, we obtain the off-shell free energy of the holographic model near the critical temperature and compare with the Ising-like model. We also study the back reaction effect and find that the phase transition is always second order. In addition, we find an analytical Reissner-Norstrom-like black brane solution in the Einstein-Maxwell-2-form field theory with a negative cosmological constant.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: STRING THEORY
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11375247, 11435006, 11175077] ;  Higher Education, Ministry of Education, China [20122136110002]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20798
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,Wu, YB,et al. Massive 2-form field and holographic ferromagnetic phase transition[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015(11):21.
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