ITP OpenIR  > 理论物理所科研产出  > SCI论文
Zhao, HH; Xu, CK; Chen, QN; Wei, ZC; Qin, MP; Zhang, GM; Xiang, T; Zhao, HH (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
Plaquette order and deconfined quantum critical point in the spin-1 bilinear-biquadratic Heisenberg model on the honeycomb lattice
Source PublicationPHYSICAL REVIEW B
Language英语
KeywordTriangular-lattice Phase-transitions Liquid State 2 Dimensions Antiferromagnets
AbstractWe have precisely determined the ground state phase diagram of the quantum spin-1 bilinear-biquadratic Heisenberg model on the honeycomb lattice using the tensor renormalization group method. We find that the ferromagnetic, ferroquadrupolar, and a large part of the antiferromagnetic phases are stable against quantum fluctuations. However, around the phase where the ground state is antiferroquadrupolar ordered in the classical limit, quantum fluctuations suppress completely all magnetic orders, leading to a plaquette order phase which breaks the lattice symmetry but preserves the spin SU(2) symmetry. On the evidence of our numerical results, the quantum phase transition between the antiferromagnetic phase and the plaquette phase is found to be either a direct second order or a very weak first order transition.
2012
ISSN1098-0121
Volume85Issue:13Pages:134416
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNSFC; MOST of China; Sloan Research Fellowship ; NSFC; MOST of China; Sloan Research Fellowship ; NSFC; MOST of China; Sloan Research Fellowship ; NSFC; MOST of China; Sloan Research Fellowship
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15119
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhao, HH (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zhao, HH,Xu, CK,Chen, QN,et al. Plaquette order and deconfined quantum critical point in the spin-1 bilinear-biquadratic Heisenberg model on the honeycomb lattice[J]. PHYSICAL REVIEW B,2012,85(13):134416.
APA Zhao, HH.,Xu, CK.,Chen, QN.,Wei, ZC.,Qin, MP.,...&Zhao, HH .(2012).Plaquette order and deconfined quantum critical point in the spin-1 bilinear-biquadratic Heisenberg model on the honeycomb lattice.PHYSICAL REVIEW B,85(13),134416.
MLA Zhao, HH,et al."Plaquette order and deconfined quantum critical point in the spin-1 bilinear-biquadratic Heisenberg model on the honeycomb lattice".PHYSICAL REVIEW B 85.13(2012):134416.
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