Charge stripes and electronic states in underdoped La2-xSrxCuO4

被引：0

作者：

Shibata, Y ^{[1
]}

Tohyama, T ^{[1
]}

Nagai, S ^{[1
]}

Maekawa, S ^{[1
]}

机构：

[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

ADVANCES IN SUPERCONDUCTIVITY XII | 2000年

关键词：

charge stripe; La2-xSrxCuO4; the t-J model; ARPES;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We investigate the electronic states of underdoped La2-xSrxCuO4 (LSCO) by the t-t'-t "-J model containing charge stripes. The numerically exact diagonalization calculation is employed on small clusters. The model with vertical stripes consistently explains the physical properties observed in the angle-resolved photoemission and the optical conductivity experiments near x=0.12, while the diagonal-stripe model does not explain them. Rather the latter seems to be applicable to the insulating phase where the presence of diagonal stripes is experimentally observed. These results demonstrate a crucial role of the charge stripes in LSCO.

引用

页码：164 / 166

页数：3

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