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Updated: Jun 3, 2026
05:39
Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
Published on: August 2, 2019
Quantum oscillations in the high-Tc cuprates
Suchitra E Sebastian1, Neil Harrison, Gilbert G Lonzarich
1Department of Physics, Cavendish Laboratory, University of Cambridge, J.J. Thomson Avenue, Cambridge CB3 0HE, UK. ses59@cam.ac.uk
Summary
Quantum oscillations reveal Landau Fermi-liquid behavior in high-temperature cuprate superconductors. This technique probes electronic excitations and Fermi surface transformations, offering insights into enhanced superconductivity.
Area of Science:
- Condensed matter physics
- Superconductivity research
Background:
- High-temperature cuprate superconductors exhibit complex electronic properties.
- Understanding low-energy electronic excitations is crucial for advancing superconductivity.
Purpose of the Study:
- To review the application of quantum oscillations in probing electronic excitations in cuprates.
- To examine Fermi surface transformations and their implications for superconductivity.
Main Methods:
- Analysis of quantum oscillation data in underdoped cuprates.
- Comparison with momentum-resolved probes like photoemission.
- Examination of complementary experimental evidence.
Main Results:
- Quantum oscillations indicate persistent Landau Fermi-liquid behavior in certain regions.
- Observation of small Fermi surface pockets in underdoped cuprates.
- Evidence for a low-energy Fermi surface instability near the metal-insulator transition.
Conclusions:
- Quantum oscillations provide unique insights into electronic structures of cuprates.
- Fermi surface transformations are linked to doping levels and superconducting properties.
- Further research may elucidate pathways to enhanced superconducting temperatures.
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