New Method to Deal with Three-Dimensional Electron Gas with a Strong Correlation Effect  

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作  者:YU Zhi-Ming GUO Qian LIU Yu-Liang 余智明;郭倩;刘玉良(Department of Physics,Renmin University of China,Beijing 100872)

机构地区:[1]Department of Physics,Renmin University of China,Beijing 100872

出  处:《Chinese Physics Letters》2012年第12期161-164,共4页中国物理快报(英文版)

基  金:Supported by the National Natural Science Foundation of China under Grant Nos 10774188,11074301;the National Basic Research Program of China under Grant No 2012CB921704.

摘  要:Similar to the bosonization method in one dimension,we divide the electron operators in phase space into two component operators,and study three-dimensional homogeneous electron gas with a strong correlation effect.We apply this method to calculate the pair distribution function g(r=0,r_(s))and the renormalization coefficient of the one-electron Green's function Z(kF)(Z_(F)),and show that it has great advantages of succinctness and efficiency for studying one-and three-dimensional systems with a strong correlation effect.This method can be applied to investigate interaction quenches in ultracold atomic gases.

关 键 词:effect. OPERATORS apply 

分 类 号:O17[理学—数学]

 

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