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

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arxiv cond-mat/0112126 v2 pith:YJSSQYMP submitted 2001-12-07 cond-mat.supr-con cond-mat.str-el

Ar. Abanov , A. V. Chubukov , M. Eschrig , M. R. Norman , J. Schmalian This is my paper · ORCID
classification cond-mat.supr-concond-mat.str-el
keywords resonancesmallcupratesfermionicpropertiesweightaffectsagreement
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abstract

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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