Stability of RVB hole stripes in high-temperature superconductors

被引：39

作者：

Capello, Manuela ^{[1
]}

Raczkowski, Marcin ^{[2
]}

Poilblanc, Didier ^{[1
]}

机构：

[1] Univ Toulouse 3, CNRS, UMR 5152, Phys Theor Lab, F-31062 Toulouse, France

[2] Jagiellonian Univ, Marian Smoluchowski Inst Phys, PL-30059 Krakow, Poland

来源：

PHYSICAL REVIEW B | 2008年 / 77卷 / 22期

关键词：

D O I：

10.1103/PhysRevB.77.224502

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Indications of density-wave states in underdoped cuprates, coming from recent scanning tunneling microscopy and Hall-resistance measurements, have raised concerns whether stripes could be stabilized in the superconducting phase of cuprate materials, even in the absence of antiferromagnetism. Here, we investigate this issue using state-of-the-art quantum Monte Carlo calculations of a t-J model. In particular we consider the stability of unidirectional hole domains in a modulated superconducting background by taking into account the effect of tetragonal-lattice distortions, next-nearest-neighbor hopping, and long-range Coulomb repulsion.

引用

页数：7

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