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FERMI HYPERNETTED-CHAIN THEORY FOR CORRELATED SPIN-DENSITY-WAVE STATES
WANG, XQG; FANTONI, S; TOSATTI, E; YU, L; WANG, XQG , SCUOLA INT SUPER STUDI AVANZATI,I-34014 TRIESTE,ITALY.
1992
发表期刊PHYSICAL REVIEW B
ISSN0163-1829
卷号46期号:14页码:8894-8905
摘要The Fermi hypernetted-chain (FHNC) theory is applied to spin-density-wave states combined with a Jastrow-type correlation operator. The commonly used approximation scheme FHNC/n is found to be unsuitable for dealing with this class of correlated wave functions. A new scheme, named FHNC-n, is proposed, and numerically tested for the one-dimensional (1D) Hubbard model and the Gutzwiller correlation operator. The results obtained are in very good agreement with the available variational Monte Carlo calculation. This scheme can be used to study 2D and 3D Hubbard models and can easily be extended to treat more general correlation operators, which include triplet and quartet correlations.
部门归属IST NAZL FIS NUCL,TRIESTE,ITALY; INT CTR THEORET PHYS,I-34100 TRIESTE,ITALY; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Variational Monte-carlo 2-dimensional Hubbard-model Ground-state Jastrow Theory Superconductivity Fluctuations Simulation Systems La2cuo4 Boson
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12129
专题理论物理所SCI论文
通讯作者WANG, XQG , SCUOLA INT SUPER STUDI AVANZATI,I-34014 TRIESTE,ITALY.
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GB/T 7714
WANG, XQG,FANTONI, S,TOSATTI, E,et al. FERMI HYPERNETTED-CHAIN THEORY FOR CORRELATED SPIN-DENSITY-WAVE STATES[J]. PHYSICAL REVIEW B,1992,46(14):8894-8905.
APA WANG, XQG,FANTONI, S,TOSATTI, E,YU, L,&WANG, XQG , SCUOLA INT SUPER STUDI AVANZATI,I-34014 TRIESTE,ITALY..(1992).FERMI HYPERNETTED-CHAIN THEORY FOR CORRELATED SPIN-DENSITY-WAVE STATES.PHYSICAL REVIEW B,46(14),8894-8905.
MLA WANG, XQG,et al."FERMI HYPERNETTED-CHAIN THEORY FOR CORRELATED SPIN-DENSITY-WAVE STATES".PHYSICAL REVIEW B 46.14(1992):8894-8905.
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