A Relation between the Resonance Neutron Peak and ARPES Data in Cuprates

1999/06/03 by Ar. Abanov, Andrey V. Chubukov · 12 citations
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Angle-resolved photoemission spectroscopy #Condensed matter physics #Coupling (piping) #Cuprate #Electronic structure #Fermion #Magnetic and transport properties of perovskites and related materials #Materials science #Neutron scattering #Omega #Physics #Physics of Superconductivity and Magnetism #Propagator #Quantum mechanics #Resonance (particle physics) #Scattering #Spin (aerodynamics) #Superconductivity #cond-mat.str-el #cond-mat.supr-con

paper · pdf · doi:10.1103/physrevlett.83.1652

published as PHYS. REV. LETT., v83, p1652 (1999) · 4 pages, 2 figures

arxiv created 1999/06/03 · openalex publication_date 1999/08/23 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We argue that the resonant peak observed in neutron scattering experiments on superconducting cuprates and the peak/dip/hump features observed in ARPES measurements are by-products of the same physical phenomenon. Both are due to feedback effects on the damping of spin fluctuations in a d-wave superconductor. We solve a set of coupled integral equations for fermionic and bosonic propagators, and show that the dynamical spin susceptibility below T_c possesses the resonance peak at \ensuremathΩ_res\ensuremath∝\ensuremathξ^\ensuremath-1. The scattering of these magnetic excitations by electrons gives rise to a peak/dip/hump behavior of the electronic spectral function, the peak-dip separation is exactly \ensuremathΩ_res.

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