Quantum oscillations from the reconstructed Fermi surface in electron-doped cuprate superconductors

Abstract

We have studied the electronic structure of electron-doped cuprate superconductors via measurements of high-field Shubnikov-de Haas oscillations in thin films. In optimally doped Pr${}_{2-x}$Ce${}_x$CuO${}_{4\pm \delta }$ and La${}_{2-x}$Ce${}_x$CuO${}_{4\pm \delta }$, quantum oscillations indicate the presence of a small Fermi surface, demonstrating that electronic reconstruction is a general feature of the electron-doped cuprates, despite the location of the superconducting dome at very different doping levels. Negative high-field magnetoresistance is correlated with an anomalous low-temperature change in scattering that modifies the amplitude of quantum oscillations. This behavior is consistent with effects attributed to spin fluctuations.

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Cited by in corpus (11)

• The Strange Metal State of the Electron-Doped Cuprates
• Strange metals as ersatz Fermi liquids
• Fermi surface reconstruction in electron-doped cuprates without antiferromagnetic long-range order
• Correlation between scale-invariant normal state resistivity and superconductivity in an electron-doped cuprate
• Anomalous quantum criticality in the electron-doped cuprates
• Observation of cyclotron resonance and measurement of the hole mass in optimally-doped La${}_{2-x}$Sr${}_x$CuO${}_4$
• Understanding electron-doped cuprate superconductors as hole superconductors
• Experimental evidence for Zeeman spin-orbit coupling in layered antiferromagnetic conductors
• Quantum oscillations suggest hidden quantum phase transition in the cuprate superconductor Pr${}_2$CuO${}_{4\pm \delta }$
• Inhomogeneity identification by measuring magnetic quantum oscillations
• Quantum Oscillations and Superconductivity in YPtBi Under Pressure