The neutron resonance in the cuprates and its effect on fermionic excitations

Details The neutron resonance in the cuprates and its effect on fermionic excitations The neutron resonance in the cuprates and its effect on fermionic excitations

2001-12-07

arxiv.org/abs/cond-mat/0112126v2

PHYSICAL REVIEW LETTERS, v89, p177002 (2002)

Physics

Condensed Matter

Superconductivity

4 pages, no figures

Scientific paper

10.1103/PhysRevLett.89.177002

We argue that the exciton scenario for the magnetic resonance in the cuprate superconductors yields a small spectral weight of the resonance, in agreement with experiment. We show that the small weight is related to its concentration in a small region of momentum and energy. Despite this, we find that a large fermionic self-energy can indeed be generated by a resonance with such properties, i.e., the scattering from the resonance substantially affects the electronic properties of the cuprates below $T_c$.

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