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检索条件"作者=REN XueZao 1 , LIAO Xu 1 , LI Lei 1 & WANG KeLin 2 1 School of science, southwest university of science and technology, Mian Yang 621010, China"
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A new approximating method for Holstein model
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science china(Physics,Mechanics & Astronomy) 2010年 第1期53卷 44-48页
作者: ren xuezao 1 , liao xu 1 , li lei 1 & wang kelin 2 1 school of science, southwest university of science and technology, mian yang 621010, china 2 Department of Modern Physics, university of science and technology of china, Hefei 230026, china 1. school of science Southwest University of Science and Technology Mian Yang 621010 China2. Department of Modern Physics University of Science and Technology of China Hefei 230026 China
A new approach-the method of coherent state orthogonal expansion is developed for one-dimensional Holstein model. In zeroth order approximation, the formula of ground state energy is deduced analytically and the solut... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Features of the polaron ground state in one-dimensional Holstein model
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science china(Physics,Mechanics & Astronomy) 2009年 第9期52卷 1302-1306页
作者: ren xuezao liao xu li lei wang kelin school of science Southwest University of Science and TechnologyMianyang 621010China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China
Applying the method of coherent state orthogonal expansion, we expand the trial wave functions of ground state to the third order. We find that the ground state energy of the system decreases with the increase of expa... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论