Interpretation of Inelastic Neutron Scattering Data Using the Phase Diagram of Hole-Doped Cuprates

TL;DR

This paper interprets inelastic neutron scattering data in hole-doped cuprates using the phase diagram, providing insights into the spin susceptibility and the origin of the resonant peak related to phase coherence.

Contribution

It offers a novel interpretation framework linking neutron scattering data to the phase diagram of hole-doped cuprates, clarifying the nature of the resonant peak and spin susceptibility.

Findings

Spin susceptibility at Q=(p,p) can be explained by the phase diagram.

The resonant peak relates to the order parameter for phase coherence.

Neutron data interpretations are consistent across LSCO, YBCO, and Bi2212.

Abstract

Inelastic Neutron Scattering (INS) data in LSCO, YBCO and Bi2212 are discussed. In the literature, the INS spectra remain far from being comprehensively understood. We show that local (Q-integrated) susceptibility data and the energy dependence of the spin susceptibility at antiferromagnetic vector, Q = (p,p), can be interpreted by using the phase diagram for hole-doped cuprates. We analyze also the origin of the resonant peak which relates to the order parameter for long-range phase coherence in hole-doped cuprates. Thus, we present an interpretation of neutron data in LSCO, YBCO and Bi2212 published so far.