COLLECTIVE EXCITATION IN THE HUBBARD MODEL WITH INTRASITE ATTRACTION.

被引：0

作者：

Kostyrko, T. ^{[1
]}

机构：

[1] A. Mickiewicz Univ, Poznan, Pol, A. Mickiewicz Univ, Poznan, Pol

来源：

Physica Status Solidi (B) Basic Research | 1986年 / 135卷 / 01期

关键词：

ELECTRONS;

D O I：

暂无

中图分类号：

O441 [电磁学]; TM12 [];

学科分类号：

0809 ;

摘要：

The Hubbard model with an intrasite attraction has been recently extensively investigated, as it provides a novel, non-BCS, mechanism of superconductivity, due to the formation of Boson-like electron pairs (intrasite bipolarons) in a real lattice rather than a reciprocal one. The author investigates the collective excitations described by the model using the random phase approximation.

引用

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