Collapse of the Fermi surface and fingerprints of order in the pseudogap state of cuprate superconductors

Abstract

The Fermi surface in the state of cuprates is highly unusual because it appears to consist of disconnected segments called arcs. Their very existence challenges the traditional concept of a Fermi surface as closed contours of gapless excitations in momentum space. The length of the arcs in the pseudogap state was thought to linearly increase with temperature, pointing to the existence of a nodal liquid state below T*. These results were interpreted as an interplay of a d-wave pairing gap and strong scattering. Understanding the properties of the arcs is a pre-requisite to understanding the origin of the pseudogap and the physics of the cuprates. Here we use a novel approach to detect the energy gaps based on the temperature dependence of the density of states. With a significantly improved sensitivity, we demonstrate that the arcs form rapidly at T* and their length remains surprisingly constant over an extended temperature range between T* and Tarc, consistent with the presence of an ordered state below T*. These arcs span fixed points in the momentum space defining a set of wave vectors, which are the fingerprints of the ordered state that causes the pseudogap.

References in corpus (13)

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• Direct evidence for a competition between the pseudogap and high temperature superconductivity in the cuprates
• The Ground State of the Pseudogap in Cuprate Superconductors
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• On the Reconstructed Fermi Surface in the Underdoped Cuprates
• The Origin and Non-quasiparticle Nature of Fermi Arcs in Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$
• Imaging nanoscale Fermi surface variations in an inhomogeneous superconductor
• Gapless superconductivity and the Fermi arc in the cuprates
• Origins of large critical temperature variations in single layer cuprates

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• Photoemission perspective on pseudogap, superconducting fluctuations, and charge order in cuprates: a review of recent progress
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• Direct observation of bulk charge modulations in optimally-doped Bi${}_{1.5}$Pb${}_{0.6}$Sr${}_{1.54}$CaCu${}_2$O${}_{8+\delta }$
• Electron scattering, charge order, and pseudogap physics in La${}_{1.6-x}$Nd${}_{0.4}$Sr${}_x$CuO${}_4$: An angle resolved photoemission spectroscopy study
• A Tale of Two Metals: contrasting criticalities in the pnictides and hole-doped cuprates
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• Superconducting fluctuations probed by the Higgs mode in Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+x}$ thin films
• High-temperature superconductors of the family (RE)Ba2Cu3O7-delta and their application (Review Article)
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• Direct observation of self energy signatures of the resonant collective mode in Bi2Sr2CaCu2O8
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• Temperature dependence of upper critical fields and coherence lengths for optimally-doped $YB{a}_{2}C{u}_3{O}_{7-\delta }$ thin films
• Peak-structure in self-energy of cuprate superconductors
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• Anisotropic dressing of electrons in electron-doped cuprate superconductors
• Quantitative connection between the nanoscale electronic inhomogeneity and the pseudogap of Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ superconductors
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• Influence of electron irradiation on fluctuation conductivity and pseudogap in $YB{a}_{2}C{u}_3{O}_{7-\delta }$ single crystals
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• Revised phase diagram of the high-$T_c$ cuprate superconductor Pb-doped Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ revealed by anisotropic transport measurements
• Features of Excess Conductivity Behavior in a Magnetic Superconductor Dy${}_{0.6}$Y${}_{0.4}$Rh${}_{3.85}$Ru${}_{0.15}$B${}_4$
• Study of fluctuation conductivity in YBa${}_2$Cu${}_3$O${}_7$--$\delta$ films in strong magnetic fields
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• Bond particle theory for the pseudogap phase of underdoped cuprates
• Renormalization of electrons in bilayer cuprate superconductors
• Fluctuating Cooper pairs in FeSe at temperatures exceeding double Tc
• Empirical case for two pseudogaps in cuprate superconductors
• Hydrostatic pressure effect on the pseudogap in Y0.77Pr0.23Ba2Cu3O7-δsingle crystals
• Doping-induced evolution of the intrinsic hump and dip energies dependent on the sample fabrication conditions in Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$