Dual Features of Magnetic Susceptibility in Superconducting Cuprates: a comparison to inelastic neutron scattering
M. V. Eremin, I. M. Shigapov, I.M. Eremin
TL;DR
This paper models the spin response in superconducting cuprates using a generalized t-J-G Hamiltonian, successfully reproducing key neutron scattering observations near optimal doping.
Contribution
It introduces a self-consistent model incorporating local and itinerant spins, providing a novel theoretical framework for understanding magnetic susceptibility in cuprates.
Findings
Reproduces neutron scattering data in YBa2Cu3O6+y near optimal doping
Integrates local and itinerant spin interactions self-consistently
Provides insights into magnetic susceptibility features in cuprates
Abstract
Starting from the generalized t-J-G model Hamiltonian, we analyze the spin response in the superconducting cuprates taking into account both local and itinerant spin components which are coupled to each other self-consistently. Derived expression reproduces the basic observations of neutron scattering data in YBa2Cu3O6+y compounds near the optimal doping level.
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