Effect of strong intersite correlations on the mixing of band and localized states of the periodic Anderson model

被引：0
|
作者：
V. V. Val’kov
M. M. Korovushkin
机构：
[1] Russian Academy of Sciences,Kirensky Institute of Physics, Siberian Branch
[2] Siberian Federal University,undefined
来源：
JETP Letters | 2008年 / 87卷
关键词：
71.10.-w; 71.27.+a;
D O I：
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摘要：
It has been shown in the limit of the low density of band carriers that the inclusion of the strong intersite interaction between electrons within the framework of the periodic Anderson model results in two qualitatively new features in its energy structure. The first feature is associated with the appearance of an additional quasi-localized level, which significantly changes the structure of the electronic density of states. The second feature is the strong renormalization of the effective constant of hybridization with the bare localized level.
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