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Plaquette order and deconfined quantum critical point in the spin-1 bilinear-biquadratic Heisenberg model on the honeycomb lattice
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.
2012
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号85期号:13页码:134416
摘要We 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.
部门归属[Zhao, H. H.; Wei, Z. C.; Qin, M. P.; Xiang, T.] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China; [Xu, Cenke] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA; [Chen, Q. N.; Xiang, T.] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Zhang, G. M.] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China; [Zhang, G. M.] Tsinghua Univ, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China
关键词Triangular-lattice Phase-transitions Liquid State 2 Dimensions Antiferromagnets
学科领域Physics
资助者NSFC; 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
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收录类别SCI
语种英语
资助者NSFC; 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
WOS记录号WOS:000302605400002
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被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15119
专题理论物理所2012年知识产出
通讯作者Zhao, HH (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
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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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