Neutron scattering as a probe of the Fe-pnicitide superconducting gap
T.A. Maier, D.J. Scalapino
TL;DR
This paper investigates how inelastic neutron scattering can be used to analyze the superconducting gap structure in Fe-pnictide superconductors using a two-orbital model and RPA-BCS approximation.
Contribution
It introduces a theoretical framework combining a two-orbital model with RPA-BCS to study neutron scattering responses for different proposed superconducting gaps.
Findings
Identifies distinct neutron scattering signatures for various gap symmetries.
Provides predictions for experimental neutron scattering measurements.
Enhances understanding of the superconducting pairing mechanism in Fe-pnictides.
Abstract
Inelastic neutron scattering provides a probe for studying the spin and momentum structure of the superconducting gap. Here, using a two-orbital model for the Fe-pnicitide superconductors and an RPA-BCS approximation for the dynamic spin susceptibility, we explore the scattering response for various gaps that have been proposed.
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