Fermi surface reconstruction in electron-doped cuprates without antiferromagnetic long-range order

Abstract

Fermi surface (FS) topology is a fundamental property of metals and superconductors. In electron-doped cuprate Nd2-xCexCuO4 (NCCO), an unexpected FS reconstruction has been observed in optimal- and over-doped regime (x=0.15-0.17) by quantum oscillation measurements (QOM). This is all the more puzzling because neutron scattering suggests that the antiferromagnetic (AFM) long-range order, which is believed to reconstruct the FS, vanishes before x=0.14. To reconcile the conflict, a widely discussed external magnetic field-induced AFM long-range order in QOM explains the FS reconstruction as an extrinsic property. Here, we report angle-resolved photoemission (ARPES) evidence of FS reconstruction in optimal- and over-doped NCCO. The observed FSs are in quantitative agreement with QOM, suggesting an intrinsic FS reconstruction without field. This reconstructed FS, despite its importance as a basis to understand electron-doped cuprates, cannot be explained under the traditional scheme. Furthermore, the energy gap of the reconstruction decreases rapidly near x=0.17 like an order parameter, echoing the quantum critical doping in transport. The totality of the data points to a mysterious order between x=0.14 and 0.17, whose appearance favors the FS reconstruction and disappearance defines the quantum critical doping. A recent topological proposal provides an ansatz for its origin.

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• Angle-resolved photoemission spectroscopy of the cuprate superconductors
• Progress and perspectives on the electron-doped cuprates
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• Non-perturbative many-body approach to the Hubbard model and single-particle pseudogap
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• Topological order, emergent gauge fields, and Fermi surface reconstruction
• Charge ordering in the electron-doped superconductor Nd2-xCexCuO4
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• Magnetic Breakdown in the electron-doped cuprate superconductor Nd${}_{2-x}$Ce${}_x$CuO${}_4$: the reconstructed Fermi surface survives in the strongly overdoped regime
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• The Strange Metal State of the Electron-Doped Cuprates
• Gauge theory for the cuprates near optimal doping
• Differentiated roles of Lifshitz transition on thermodynamics and superconductivity in La2-xSrxCuO4
• Emergence of pseudogap from short-range spin-correlations in electron doped cuprates
• Anomalous quantum criticality in the electron-doped cuprates
• Gauge Theories for the Thermal Hall Effect
• Bogoliubov Quasiparticle on the Gossamer Fermi Surface in Electron-Doped Cuprates
• Pseudogap and Fermi-arcs in underdoped cuprates
• Experimental evidence of anomalously large superconducting gap on topological surface state of $\beta$-$\mathbf{B}{\mathbf{i}}_2\mathbf{Pd}$ film
• Phases of SU(2) gauge theory with multiple adjoint Higgs fields in 2+1 dimensions
• Emergence of Quasiparticles in a Doped Mott Insulator
• Experimental evidence for Zeeman spin-orbit coupling in layered antiferromagnetic conductors
• Higher-Order Spin-Hole Correlations around a Localized Charge Impurity
• Strange metals and black holes: insights from the Sachdev-Ye-Kitaev model
• Pseudogap in electron-doped cuprates: Strong correlation leading to band splitting
• Emergence of nodal Bogoliubov quasiparticles across the transition from the pseudogap metal to the d-wave superconductor
• Reconstruction of the Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ Fermi Surface
• Unified intermediate coupling description of the pseudogap and the strange metal phases of cuprates
• Anomalous normal state magnetotransport in an electron-doped cuprate
• Anomalous normal state gap in an electron-doped cuprate
• Anomalous density fluctuations in a random $t$-$J$ model
• Strange metals and planckian transport in a gapless phase from spatially random interactions
• Disorder effects on hot spots in electron-doped cuprates
• Resilient Fermi liquid and strength of correlations near an antiferromagnetic quantum critical point
• Hole-Like Fermi Surface in the Overdoped Non-Superconducting Bi${}_{1.8}$Pb${}_{0.4}$Sr${}_2$CuO${}_{6+\delta }$
• Two-carrier Magnetoresistance: Applications to Ca${}_3$Ru${}_2$O${}_7$
• Suppression of Antiferromagnetism in Electron-Doped Cuprate $T^{\prime }$-${\mathrm{La}}_{2-x}{\mathrm{Ce}}_x{\mathrm{CuO}}_{4\pm \delta }$
• Magnetic field-tuned quantum criticality in optimally electron-doped cuprate thin films
• Canted magnetism and ${\mathbb{Z}}_2$ fractionalization in metallic states of the Lieb lattice Hubbard model near quarter filling
• Valence Transition Theory of the Pressure-Induced Dimensionality Crossover in Superconducting Sr${}_{14-x}$Ca${}_x$Cu${}_{24}$O${}_{41}$
• Thermopower across Fermi-volume-changing quantum phase transitions without translational symmetry breaking
• Weakly damped bosons and precursor gap in the vicinity of an antiferromagnetic metallic transition
• Electron states, bound to a texture in a Néel antiferromagnet
• Inhomogeneous reduction-annealing effects on the electron-doped cuprate superconductor revealed by micro-focused angle-resolved photoemission spectroscopy
• Discovery of Van Hove Singularities: Electronic Fingerprints of 3Q Magnetic Order in a van der Waals Quantum Magnet
• Collective Magnetic Excitations in a Photo-excited Electron-doped Cuprate Superconductor
• Probing the pseudogap and beyond: Examining single-particle properties of the hole- and electron-doped Hubbard model
• Antinodal kink in the band dispersion of electron-doped cuprate ${\mathrm{La}}_{2-x}{\mathrm{Ce}}_x{\mathrm{CuO}}_{4\pm \delta }$
• Non-linear Hall resistivity in overdoped Pr${}_{1.82}$Ce${}_{0.18}$CuO${}_{4+\delta }$ electron-doped cuprate