Two Gaps Make a High Temperature Superconductor?

Abstract

One of the keys to the high-temperature superconductivity puzzle is the identification of the energy scales associated with the emergence of a coherent condensate of superconducting electron pairs. These might provide a measure of the pairing strength and of the coherence of the superfluid, and ultimately reveal the nature of the elusive pairing mechanism in the superconducting cuprates. To this end, a great deal of effort has been devoted to investigating the connection between the superconducting transition temperature Tc and the normal-state pseudogap crossover temperature T*. Here we present a review of a large body of experimental data that suggests a coexisting two-gap scenario, i.e. superconducting gap and pseudogap, over the whole superconducting dome.

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References in corpus (13)

• Scanning tunneling spectroscopy of high-temperature superconductors
• Inelastic Light Scattering From Correlated Electrons
• An Intrinsic Bond-Centered Electronic Glass with Unidirectional Domains in Underdoped Cuprates
• Visualizing pair formation on the atomic scale in the high-Tc superconductor Bi2Sr2CaCu2O8+d
• Distinct Fermi-Momentum Dependent Energy Gaps in Deeply Underdoped Bi2212
• Interplay of electron-lattice interactions and superconductivity in Bi2Sr2CaCu2O8+d
• Two Energy Scales and two Quasiparticle Dynamics in the Superconducting State of Underdoped Cuprates
• The Ground State of the Pseudogap in Cuprate Superconductors
• Low-Energy Electronic Structure of the High-Tc Cuprates La2-xSrxCuO4 Studied by Angle-resolved Photoemission Spectroscopy
• Tl2Ba2CuO6+d Brings Spectroscopic Probes Deep Into the Overdoped Regime of the High-Tc Cuprates
• Phenomenological description of the two energy scales in underdoped superconducting cuprates
• Magnetic-field-induced spin excitations and renormalized spin gap of the underdoped superconductor La${}_{1.895}$Sr${}_{0.105}$CuO${}_4$
• A reevaluation of the coupling to a bosonic mode of the charge carriers in (Bi,Pb)${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ at the antinodal point

Cited by in corpus (41)

• Electrodynamics of Correlated Electron Materials
• Lattice symmetry breaking in cuprate superconductors: Stripes, nematics, and superconductivity
• How Cooper pairs vanish approaching the Mott insulator in Bi2Sr2CaCu2O8+d
• Striped superconductors: How the cuprates intertwine spin, charge and superconducting orders
• Magnetism in Fe-based superconductors
• Two-dimensional resonant magnetic excitation in BaFe1.84Co0.16As2
• High - Temperature Superconductivity in Iron Based Layered Compounds
• Iron based superconductors: magnetism, superconductivity and electronic structure
• Visualizing the emergence of the pseudogap state and the evolution to superconductivity in a lightly hole-doped Mott insulator
• Coexistence of competing orders with two energy gaps in real and momentum space in high-Tc superconductor Bi2Sr2-xLaxCuO6+delta
• Two-stage metal-insulator transition in the 2D Hubbard model: momentum selectivity in the 8-site dynamical cluster approximation
• Scanning tunneling spectroscopy of superconducting LiFeAs single crystals: Evidence for two nodeless energy gaps and coupling to a bosonic mode
• Infrared Measurement of the Pseudogap in P-Doped and Co-Doped BaFe2As2 High-Temperature Superconductors
• Physics of the Pseudogap in 8-site Cluster Dynamical Mean Field Theory: photoemission, Raman scattering, in-plane and c-axis conductivity
• Intermediate Coupling Model of the Cuprates
• The doping-driven evolution of the superconducting state of a doped Mott insulator: a key for the high temperature superconductivity
• Pseudogap in underdoped cuprates and spin-density-wave fluctuations
• Pre-pairing and the "Filling" Gap in the Cuprates From the Tomographic Density of States
• Non-monotonic pseudo-gap in high-Tc cuprates
• Paired electron pockets in the hole-doped cuprates
• The nodal gap component as a good candidate for the superconducting order parameter in cuprates
• Universal Behavior and the Two-component Character of Magnetically Underdoped Cuprate Superconductors
• An ARPES view on the high-Tc problem: phonons vs spin-fluctuations
• New insights into the phase diagram of the copper oxide superconductors from electronic Raman scattering
• Andreev reflection and order parameter symmetry in heavy-fermion superconductors: the case of CeCoIn${}_5$
• Specific heat of underdoped cuprates: RVB versus Fermi arcs
• Universal Disorder in Bi2Sr2CaCu2O8+x
• Chemistry and High Temperature Superconductivity
• A proximity induced pseudogap - evidence for preformed pairs
• Andreev and Single Particle Tunneling Spectroscopies in Underdoped Cuprates
• Disparity of superconducting and pseudogap scales in low-Tc Bi-2201 cuprates
• Optical and dc conductivities of cuprates: Spin-fluctuation scattering in the t-J model
• Boson-Fermion Duality and Metastability in Cuprate Superconductors
• Visualizing electron pockets in cuprate superconductors
• Doping and temperature dependence of electronic Raman response in cuprate superconductors
• Proximity induced pseudogap in mesoscopic superconductor/normal-metal bilayers
• Crossover from inelastic magnetic scattering of Cooper pairs to spin-wave dispersion produces low-energy kink in cuprates
• A model of a 2d non-Fermi liquid with SO(5) symmetry, AF order, and a d-wave SC gap
• The Principle Of Local Rotational Invariance And The Coexistence Of Magnetism, Charge And Superconductivity
• Pseudogap and its connection to particle-hole asymmetry electronic state and Fermi arcs in cuprate superconductors
• Momentum dependence of the energy gap in the superconducting state of optimally doped Bi2(Sr,R)2CuOy (R=La and Eu)