Universal precursor of superconductivity in the cuprates

被引：23

作者：

Yu, G. ^{[1
,10
]}

Xia, D-D ^{[1
,2
,11
]}

Pelc, D. ^{[1
,3
]}

He, R-H ^{[4
]}

Kaneko, N-H ^{[5
]}

Sasagawa, T. ^{[6
]}

Li, Y. ^{[7
]}

Zhao, X. ^{[1
,2
]}

Barisic, N. ^{[3
,8
]}

Shekhter, A. ^{[9
,12
]}

Greven, M. ^{[1
]}

机构：

[1] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA

[2] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Jilin, Peoples R China

[3] Univ Zagreb, Fac Sci, Dept Phys, Bijenicka Cesta 32, HR-10000 Zagreb, Croatia

[4] Westlake Inst Adv Study, Hangzhou 310024, Zhejiang, Peoples R China

[5] Natl Inst Adv Ind Sci & Technol, 1-1-1 Umezono, Tsukuba, Ibaraki 3058563, Japan

[6] Tokyo Inst Technol, MSL, Yokohama, Kanagawa 2268503, Japan

[7] Peking Univ, Int Ctr Quantum Mat, Sch Phys, Beijing 100871, Peoples R China

[8] TU Wien, Inst Solid State Phys, A-1040 Vienna, Austria

[9] Los Alamos Natl Lab, Pulsed Field Facil, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA

[10] Univ Minnesota, Informat Inst, Minneapolis, MN 55455 USA

[11] Shenyang Pharmaceut Univ, Shenyang 110016, Liaoning, Peoples R China

[12] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA

来源：

PHYSICAL REVIEW B | 2019年 / 99卷 / 21期

基金：

美国国家科学基金会; 欧洲研究理事会; 奥地利科学基金会; 中国国家自然科学基金;

关键词：

TRANSITION-TEMPERATURE; PAIR FORMATION; PHASE-DIAGRAM; PSEUDOGAP; MAGNETIZATION; FLUCTUATIONS; ONSET; ORDER;

D O I：

10.1103/PhysRevB.99.214502

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Using torque magnetometry, we reveal remarkably simple universal behavior of the superconducting (SC) precursor in the cuprates by tracking the nonlinear diamagnetism above T-c in four distinct compounds: single-CuO2-layer HgBa2CuO4+delta, La2-xSrxCuO4 and Bi-2(Sr,La)(2)CuO6+delta, and double-layer Bi2Sr2Ca0.95Y0.05Cu2O8+delta. We find that SC diamagnetism vanishes in an exponential manner, characterized by a universal temperature scale that is approximately independent of compound and T. We discuss the possibility that this unusual behavior signifies the proliferation of SC clusters as a result of intrinsic inhomogeneity inherent to the cuprates.

引用

页数：6

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