Giant Optical Anisotropy in High Temperature Superconducting Cuprate Bi2Sr2CaCu2O8+δ

被引：1

作者：

Zhang, Kun ^{[1
]}

Matsumoto, Masataka ^{[2
]}

Nakagawa, Kenta ^{[3
,4
]}

Matsuda, Azusa ^{[1
]}

Shino, Genki ^{[5
]}

Sato, Sota ^{[6
]}

Ikeda, Takuji ^{[7
]}

Asahi, Toru ^{[1
,8
,9
]}

机构：

[1] Waseda Univ, Dept Adv Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan

[2] Shanghai Univ, Dept Math, Shanghai 200444, Peoples R China

[3] Kanagawa Inst Ind Sci & Technol KISTEC, Ebina, Kanagawa 2430435, Japan

[4] Keio Univ, Dept Appl Phys & Phys Informat, Yokohama, Kanagawa 2238522, Japan

[5] Kyoto Univ, Dept Biophys, Kyoto 6068502, Japan

[6] Univ Tokyo, Sch Engn, Dept Appl Chem, Bunkyo Ku, Tokyo 1138656, Japan

[7] Natl Inst Adv Ind & Sci & Technol, Res Inst Chem Proc Technol, Sendai, Miyagi 9838551, Japan

[8] Waseda Univ, Waseda Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan

[9] Waseda Univ, Global Consolidated Res Inst Sci Wisdom, Shinjuku Ku, Tokyo 1698555, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2021年 / 90卷 / 11期

基金：

中国国家自然科学基金;

关键词：

PSEUDOGAP; CRYSTAL; STATE;

D O I：

10.7566/JPSJ.90.113702

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Transmitted light measurements in ultraviolet and visible light regions have revealed giant optical anisotropy at 298 K in the high-T-c superconducting cuprates Bi2Sr2CaCu2O8+delta crystals with optimal doping. We employed a generalized high-accuracy universal polarimeter to measure linear birefringence and linear dichroism in ultrathin (001) single crystals of Bi2Sr2CaCu2O8+delta. In particular, remarkable anomalies in linear birefringence and linear dichroism were observed at 345 and 330 nm, respectively. These results explicitly suggest that the large optical anisotropy should be carefully considered when discussing the symmetry breaking of this compound, based on the experimental results of optical measurements.

引用

页数：4

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