A Consistent Picture for Resonance Neutron Peak and ARPES Spectra in High-Tc Superconductors

Abstract

The spectra observed in ARPES measurements are examined together with the resonance peak observed in neutron scatterings, based on the slave-boson approach to $t-t^{\prime }-J$ model. We show that the peak/dip/hump features arise from the scattering of electrons by collective spin excitations which, at the same time, give rise to the neutron resonance mode. The doping dependences and the dispersions of the peak/dip/hump positions are shown to be consistent with experiments. Our results indicate that recently observed $\cos (6\theta )$ deviation from the pure d-wave also result from the renormalization by spin fluctuations.

4 pages, four figures in ps files

References in corpus (3)

• Electronic Spectra and Their Relation to the (pi,pi) Collective Mode in High-Tc Superconductors
• A relation between the resonance neutron peak and ARPES data in cuprates
• Quasiparticles in the superconducting state of Bi2Sr2CaCu2O8

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