当时历史背景是这样的：法国物理学家Weiss搞出个平均场（Mean field）理论[1]，把电子之间相互的作用替...
Theoretical or Mathematical/ Hubbard model/ Hubbard modelt-J modelmean-field approximations/ A7110 Theories and models of many electron systems in condensed matterWe report novel results obtained for the Hubbard and t- J models by various mean-field approximations....
J Jedrak,Jozef Spalek - 《Physical Review B Condensed Matter》 被引量: 31发表: 2009年 Two-dimensional Anderson-Hubbard model in the DMFT + Σ approximation dimensional Anderson-Hubbard model with strong correlations and disorder are analyzed within the generalized dynamical mean field theory (DMFT...
[12]Z. Y. Weng, D. N. Sheng, and C. S. Ting .Mean-field description of the phase string effect in the t-J model[J]. Phys. Rev. B,1999, 59, 8943. [13]J.-X. Zhang, Z.-Y. Weng , Crossover from Fermi Arc to Full Fermi Surface[DB].https://doi.org/10.48550/arXiv.2208...
\chi_0 就是mean-field 对应的saddle-point,一个static的值(需要自洽地解)并且只作为参数不参与路径积分(都解出来了怎么作为变量去积分对不对。平均场本来的意思就是 \mathinner{\langle\chi_{ij}\rangle} 是被积分的变量,然后自洽解出一个解 \chi_0 使得它不用被积分), \delta\chi_{ij}(\tau) 以及a...
New Mean-Field Theory of the tt′t″J Model Applied to High-T_c Superconductors Ribeiro T.C., Wen X.-G., New mean field theory of the tt t J model applied to the high-Tc superconductors, Phys. Rev. Lett. 95 (2005), ... TC Ribeiro,Xiao-Gang Wen - 《Physical Review Letters》...
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It is still a relatively active field and more recently new Monte Carlo methods are devoted to reach finite temperature and larger sizes17,18. Figure 1 A closed one-hole loop may be regarded as a subsystem of the 2D t-J model in which the hopping and superexchange processes connecting to ...
GetArrowField() 用于保存基元类型(如 int、float 等)的列。 GetDataViewGetter(DataViewRowCursor) 用于保存基元类型(如 int、float 等)的列。 GetEnumerator() 用于保存基元类型(如 int、float 等)的列。 GetEnumeratorCore() 用于保存基元类型(如 int、float 等)的列。