Recent progress on superconductors with time-reversal symmetry breaking

被引：101

作者：

Ghosh, Sudeep Kumar ^{[1
]}

Smidman, Michael ^{[2
,3
,4
]}

Shang, Tian ^{[5
,6
]}

Annett, James F. ^{[7
]}

Hillier, Adrian D. ^{[8
]}

Quintanilla, Jorge ^{[1
]}

Yuan, Huiqiu ^{[2
,3
,4
,9
,10
]}

机构：

[1] Univ Kent, Sch Phys Sci, Phys Quantum Mat, Canterbury CT2 7NH, Kent, England

[2] Zhejiang Univ, Ctr Correlated Matter, Hangzhou 310058, Peoples R China

[3] Zhejiang Univ, Dept Phys, Hangzhou 310058, Peoples R China

[4] Zhejiang Univ, Dept Phys, Zhejiang Prov Key Lab Quantum Technol & Device, Hangzhou 310027, Peoples R China

[5] Paul Scherrer Inst, Lab Multiscale Mat Expt, CH-5232 Villigen, Switzerland

[6] Univ Zurich, Phys Inst, Winterthurerstr 190, CH-8057 Zurich, Switzerland

[7] Univ Bristol, HH Wills Phys Lab, Tyndall Ave, Bristol BS8, Avon, England

[8] STFC Rutherford Appleton Lab, ISIS Facil, Harwell Sci & Innovat Campus, Didcot OX11 0QX, Oxon, England

[9] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China

[10] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2021年 / 33卷 / 03期

基金：

中国国家自然科学基金; 英国工程与自然科学研究理事会; 国家重点研发计划;

关键词：

broken time reversal symmetry; superconductivity; order parameter; MUON SPIN RELAXATION; ORDER-PARAMETER; PHENOMENOLOGICAL THEORY; WAVE SUPERCONDUCTIVITY; CRYSTAL-STRUCTURE; PHASE-DIAGRAM; T-C; SR2RUO4; TEMPERATURE; STATE;

D O I：

10.1088/1361-648X/abaa06

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Superconductivity and magnetism are adversarial states of matter. The presence of spontaneous magnetic fields inside the superconducting state is, therefore, an intriguing phenomenon prompting extensive experimental and theoretical research. In this review, we discuss recent experimental discoveries of unconventional superconductors which spontaneously break time-reversal symmetry and theoretical efforts in understanding their properties. We discuss the main experimental probes and give an extensive account of theoretical approaches to understand the order parameter symmetries and the corresponding pairing mechanisms, including the importance of multiple bands.

引用

页数：28

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