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Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope
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Fano interference between collective modes in cuprate high-Tc superconductors
Hao Chu1,2,3,4,5, Sergey Kovalev6, Zi Xiao Wang7
1Max Planck Institute for Solid State Research, Heisenbergstr. 1, 70569, Stuttgart, Germany. haochusjtu@sjtu.edu.cn.
Nature Communications
|March 11, 2023
Summary
Researchers discovered a new Fano resonance in cuprate high-temperature superconductors. This finding, observed in terahertz response, suggests interplay between superconducting and charge density wave fluctuations.
Area of Science:
- Condensed matter physics
- Materials science
Background:
- Cuprate high-temperature superconductors exhibit complex interactions and competing orders.
- Understanding these interactions requires identifying experimental signatures.
Purpose of the Study:
- To report a novel Fano resonance in the nonlinear terahertz response of cuprate high-temperature superconductors.
- To characterize the amplitude and phase signatures of this new Fano resonance.
Main Methods:
- Investigated nonlinear terahertz response of cuprate high-temperature superconductors.
- Conducted extensive hole-doping and magnetic field dependent studies.
Main Results:
- Observed and resolved both amplitude and phase signatures of a new type of Fano resonance.
- The Fano resonance is linked to the electromagnetic driving frequency.
Conclusions:
- The Fano resonance likely arises from the interplay between superconducting and charge density wave fluctuations.
- Further research is needed to explore the dynamical interactions between these fluctuations.
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