Neutron resonance in the cuprates and its effect on fermionic excitations

A. Abanov, A. V. Chubukov, M. Eschrig, M. R. Norman, J. Schmalian

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Abstract

The large intensity of the resonance at Q=(π,π) was studied and found to be consistent with the small value of the total momentum and frequency integrated intensity of the resonance peak, and with the fact that the magnetic part of the condensation energy is only a small fraction of J. It was observed that the spin-fermion coupling g is of the order of 1 eV.

Original languageEnglish (US)
Article number177002
Pages (from-to)177002/1-177002/4
JournalPhysical review letters
Volume89
Issue number17
DOIs
StatePublished - Oct 21 2002

Bibliographical note

Funding Information:
This work was supported by the U.S. Department of Energy, Office of Science, under Contracts No. W-31-109-ENG-38 (M. R. N. and M. E.) and No. W-7405-ENG-82 (J. S.), No. NSF DMR-9979749 (A. C.), and DR Project No. 200153 at LANL (Ar. A.).

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