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13 - Neutron Scattering Spectroscopy

Published online by Cambridge University Press:  17 June 2022

Tao Xiang  and
Congjun Wu
Tao Xiang
Affiliation:
Chinese Academy of Sciences, Beijing
Congjun Wu
Affiliation:
Westlake University, Hangzhou
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Summary

Chapter 13 studies the dynamic spin response function measured by neutron scattering experiments. In particular, the magnetic resonance states revealed by the neutron scattering measurements for high-Tc cuprates in the superconducting state are discussed. It is argued that this spin resonance mode may arise either from a spin exciton excitation induced by an attractive residual spin interaction in the particle-hole channel or from a collective ?-resonance mode in the particle-particle channel which emerges in the neutron scattering spectrum thanks to the particle-hole mixing in the superconducting state.

Keywords

neutron scatteringmagnetic resonancespin excitonic resonance mode
Type
Chapter
Information
D-wave Superconductivity , pp. 306 - 323
Publisher: Cambridge University Press
Print publication year: 2022

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