Stripe orientation in an anisotropic t-J model -: art. no. 052509

被引：33
|
作者：
Kampf, AP [1 ]
Scalapino, DJ
White, SR
机构：
[1] Univ Augsburg, Inst Phys Theoret Phys 3, D-86135 Augsburg, Germany
[2] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA
[3] Univ Calif Irvine, Dept Phys, Irvine, CA 92697 USA
来源：
PHYSICAL REVIEW B | 2001年 / 64卷 / 05期
关键词：
D O I：
10.1103/PhysRevB.64.052509
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The tilt pattern of the CuO6 octahedra in the low-temperature tetragonal (LTT) phase of the cuprate superconductors leads to planar anisotropies for the exchange coupling and hopping integrals. Here, we show that these anisotropies provide a possible structural mechanism for the orientation of stripes. A t(x)-t(y)-J(x)-J(y) model thus serves as an effective Hamiltonian to describe stripe formation and orientation in LTT-phase cuprates.
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页数：3
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