The Temperature Evolution of the Spectral Peak in High Temperature Superconductors

Abstract

Recent photoemission data in the high temperature cuprate superconductor Bi2212 have been interpreted in terms of a sharp spectral peak with a temperature independent lifetime, whose weight strongly decreases upon heating. By a detailed analysis of the data, we are able to extract the temperature dependence of the electron self-energy, and demonstrate that this intepretation is misleading. Rather, the spectral peak loses its integrity above Tc due to a large reduction in the electron lifetime.

5 pages, revtex, 4 encapsulated postscript figures

References in corpus (6)

• Renormalization of spectral lineshape and dispersion below Tc in Bi2Sr2CaCu2O8+d
• Electronic Spectra and Their Relation to the (pi,pi) Collective Mode in High-Tc Superconductors
• Signature of Superfluid Density in the Single-Particle Excitation Spectrum of Bi2Sr2CaCu2O8+delta
• A relation between the resonance neutron peak and ARPES data in cuprates
• Dimensional Crossover in Quasi One-Dimensional and High T_c Superconductors
• Giant enhancement of the thermal Hall conductivity κ_{xy} in the superconductor YBa_2Cu_3O_7

Cited by in corpus (15)

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• Modeling the Fermi arc in underdoped cuprates
• Effect of the magnetic resonance on the electronic spectra of high Tc superconductors
• Gapless superconductivity and the Fermi arc in the cuprates
• Electronic structure of kinetic energy driven superconductors
• Nature of the Electronic Excitations near the Brillouin Zone Boundary of Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$
• Novel results in STM, ARPES, HREELS, Nernst, neutron, Raman, and isotope substitution experiments and their relation to bosonic modes and charge inhomogeneity, from perspective of negative-Ueff boson-fermion modelling of HTSC
• Tunneling spectra of submicron Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ intrinsic Josephson junctions: evolution from superconducting gap to pseudogap
• Tunneling probe of fluctuating superconductivity in disordered thin films
• Change of quasiparticle dispersion in crossing T_c in the underdoped cuprates
• A negative-U interpretation of the femto-second laser pulse induced crystallographic expansion of a cuprate HTSC material reported recently by Gedik et al
• Temperature evolution of correlation strength in the superconducting state of high-Tc cuprates
• On the Nature of the `Quasiparticle' Peak in the Angular Resolved Spectrum of the Superconducting Underdoped Bi${}_2$Sr${}_2$CaCu${}_2$O${}_8$