Low-Energy Electronic Structure of the High-Tc Cuprates La2-xSrxCuO4 Studied by Angle-resolved Photoemission Spectroscopy

Abstract

We have performed a systematic angle-resolved photoemission spectroscopy (ARPES) study of the high-Tc cuprates La2-xSrxCuO4, ranging from the underdoped insulator to the superconductor to the overdoped metal. We have revealed a systematic doping evolution of the band dispersions and (underlying) Fermi surfaces, pseudogap and quasi-particle features under the influence of strong electron-electron interaction and electron-phonon interaction. The unusual transport and thermodynamic properties are explained by taking into account the pseudogap opening and the Fermi arc formation, due to which the carrier number decreases as the doped hole concentration decreases.

arXiv comment27 pages, 17 figures, accepted in Journal of Physics Condensed Matter

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• Electronic structure of quantum materials studied by angle-resolved photoemission spectroscopy
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• Two Gaps Make a High Temperature Superconductor?
• Phenomenology of the normal state in-plane transport properties of high-$T_c$ cuprates
• Quasi-particle interference and superconducting gap in a high-temperature superconductor Ca2-xNaxCuO2Cl2
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• Doped high-Tc cuprate superconductors elucidated in the light of zeros and poles of electronic Green's function
• Disappearance of antiferromagnetic spin excitations in over-doped La${}_{2-x}$Sr${}_x$CuO${}_4$
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• Doping-dependent nodal Fermi velocity in Bi-2212 revealed by high-resolution ARPES
• Interplay between electron-phonon and Coulomb interactions in cuprates
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• The coherent {\it d}-wave superconducting gap in underdoped La${}_{2-x}$Sr${}_x$CuO${}_4$ as studied by angle-resolved photoemission
• Enhanced superconducting gaps in the tri-layer high-$T_c$ cuprate Bi${}_2$Sr${}_2$Ca${}_2$Cu${}_3$O${}_{10+\delta }$
• Doping evolution of the electronic structure in the single-layer cuprates Bi${}_2$Sr${}_{2-x}$La${}_x$CuO${}_{6+\delta }$: Comparison with other single-layer cuprates
• Fermiology and electronic homogeneity of the superconducting overdoped cuprate Tl-2201 revealed by quantum oscillations
• Intermediate Coupling Model of the Cuprates
• Optical conductivity of overdoped cuprate superconductors: application to LSCO
• Anisotropic quasiparticle scattering rates in slightly underdoped to optimally doped high-temperature \LSCO\ superconductors
• Optical model-solution to the competition between a pseudogap phase and a Mott-gap phase in high-temperature cuprate superconductors
• Fermi liquid behavior of the in-plane resistivity in the pseudogap state of YBa_2Cu_4O_8
• Anisotropic superconductivity in the two-dimensional electron-phonon system
• The toy model for the high-Tc superconductivity
• Violation of the isotropic-$\ell$ approximation in overdoped La_{2-x}Sr_xCuO_4
• Seebeck coefficient in a cuprate superconductor: particle-hole asymmetry in the strange metal phase and Fermi surface transformation in the pseudogap phase
• Tracking anisotropic scattering in overdoped Tl${}_2$Ba${}_2$CuO${}_{6+\delta }$ above 100 K
• The impact of dynamical screening on the phonon dynamics of LaCuO
• Differentiated roles of Lifshitz transition on thermodynamics and superconductivity in La2-xSrxCuO4
• Fermiology of Cuprates from First Principles: From Small Pockets to the Luttinger Fermi surface
• Phenomenological theories of the low-temperature pseudogap: Hall number, specific heat and Seebeck coefficient
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• Dynamic Superconductivity Responses in Photo-excited Optical Conductivity and Nernst Effect
• Spin fluctuations associated with the collapse of the pseudogap in a cuprate superconductor
• Doping dependence of the $(\pi ,\pi )$ shadow band in La-based cuprates studied by angle-resolved photoemission spectroscopy
• The two-component physics in cuprates in the real space and in the momentum representation
• Coherent quasi-particles-to-incoherent hole-carriers crossover in underdoped cuprates
• Single-parameter scaling in the magnetoresistance of optimally doped La${}_{2-x}$Sr${}_x$CuO${}_4$
• Effect of realistic out-of-plane dopant potentials on the superfluid density of overdoped cuprates
• Hall effect and symmetry breaking in non-magnetic metal with dynamic charge stripes
• Dichotomy in the $T$-linear resistivity in hole-doped cuprates
• Impact of $e-e$ interactions on the superfluid density of dirty superconductors
• Nodal Landau Fermi-Liquid Quasiparticles in Overdoped La${}_{1.77}$Sr${}_{0.23}$CuO${}_4$
• From non-metal to strange metal at the stripe-percolation transition in La${}_{2-x}$Sr${}_x$CuO${}_4$
• Aspects of the Normal State Resistivity of Cuprate Superconductors
• Effects of charge inhomogeneities on elementary excitations in La_{2-x}Sr_xCuO_4
• Unscaling Superconducting Parameters with $T_c$ for Bi-2212 and Bi-2223: A Magnetotransport Study in the Superconductive Fluctuation Regime
• Phenomenological model for the normal state ARPES line shapes of high temperature superconductors
• Pseudogap Behavior Revealed in Interlayer Tunneling in Overdoped Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+x}$
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• Study of the in-plane magnetic penetration depth in the cuprate superconductor Ca_2-xNa_xCuO_2Cl_2: role of the apical sites
• A 3D Tight-Binding Model for La-Based Cuprate Superconductors
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• Positive Seebeck coefficient in highly doped La${}_{2-x}$Sr${}_x$CuO${}_4$ ($x$=0.33); its origin and implication
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• Transport properties and doping evolution of the Fermi surface in cuprates
• A non-BCS mechanism for superconductivity in underdoped cuprates via attraction between spin vortices
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• Theory of Extrinsic and Intrinsic Tunnelling in Cuprate Superconductors
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