Quantum oscillations in magnetic-field-induced antiferromagnetic phase of underdoped cuprates:: Application to ortho-II YBa2Cu3O6.5

被引：48

作者：

Chen, Wei-Qiang ^{[1
,2
]}

Yang, Kai-Yu ^{[1
,2
]}

Rice, T. M. ^{[1
,3
]}

Zhang, F. C. ^{[1
,2
]}

机构：

[1] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China

[2] Univ Hong Kong, Ctr Theoret & Computat Phys, Hong Kong, Hong Kong, Peoples R China

[3] ETH, Inst Theoret Phys, CH-8093 Zurich, Switzerland

来源：

EPL | 2008年 / 82卷 / 01期

关键词：

D O I：

10.1209/0295-5075/82/17004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The magnetic-field-induced antiferromagnetic phase of the underdoped cuprates is studied within the t-t'-J model. A magnetic field suppresses the pairing amplitude, which, in turn, may induce antiferromagnetism. We apply our theory to interpret the recently reported quantum oscillations in high magnetic field in ortho-II YBa2Cu3O6.5 [1] and propose that the total hole density abstracted from the oscillation period is reduced by 50% due to doubling of the unit cell. Copyright (c) EPLA, 2008.

引用

页数：5

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