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Theory of the Resonant Neutron Scattering of High-Tc Superconductors

Eugene Demler, Shou-Cheng Zhang

DOI 10.1103/PhysRevLett.75.4126 · Physical Review Letters

T1

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Abstract

Recent polarized neutron scattering experiments on YBa2Cu3O7 have revealed a sharp spectral peak at the (π, π) in reciprocal lattice centered around the energy transfer of 41 meV. We offer a theoretical explanation of this remarkable experiment in terms of a new collective mode in the particle particle channel of the Hubbard model. This collective mode yields valuable information about the symmetry of the superconducting gap.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
YBa2Cu3O7

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92.4Pressure not reportedonset

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