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Cai, RG; Yang, RQ; Cai, RG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Holographic model for the paramagnetism/antiferromagnetism phase transition
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractIn this paper we build a holographic model of paramagnetism/antiferromagnetism phase transition, which is realized by introducing two real antisymmetric tensor fields coupling to the background gauge field strength and interacting with each other in a dyonic black brane background. In the case without an external magnetic field and in low temperatures, the magnetic moments condense spontaneously in an antiparallel manner with the same magnitude and the time reversal symmetry is also broken spontaneously (if the boundary spatial dimension is more than 2, spatial rotational symmetry is broken spontaneously as well), which leads to an antiferromagnetic phase. In the case with the weak external magnetic field, the magnetic susceptibility density has a peak at the critical temperature and satisfies the Curie-Weiss law in the paramagnetic phase of antiferromagnetism. In the strong external magnetic field case, there is a critical magnetic field B-c in the antiferromagnetic phase: when the magnetic field reaches Bc, the system will return into the paramagnetic phase by a second order phase transition.
2015
Volume91Issue:8Pages:86001
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.91.086001
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [10821504, 11035008, 11375247, 11435006] ; National Natural Science Foundation of China [10821504, 11035008, 11375247, 11435006] ; National Natural Science Foundation of China [10821504, 11035008, 11375247, 11435006] ; National Natural Science Foundation of China [10821504, 11035008, 11375247, 11435006] ; Ministry of Science and Technology of China [2010CB833004] ; Ministry of Science and Technology of China [2010CB833004] ; Ministry of Science and Technology of China [2010CB833004] ; Ministry of Science and Technology of China [2010CB833004]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21042
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCai, RG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Cai, RG,Yang, RQ,Cai, RG . Holographic model for the paramagnetism/antiferromagnetism phase transition[J]. PHYSICAL REVIEW D,2015,91(8):86001.
APA Cai, RG,Yang, RQ,&Cai, RG .(2015).Holographic model for the paramagnetism/antiferromagnetism phase transition.PHYSICAL REVIEW D,91(8),86001.
MLA Cai, RG,et al."Holographic model for the paramagnetism/antiferromagnetism phase transition".PHYSICAL REVIEW D 91.8(2015):86001.
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