Magnetic fluctuations in La1.95Ba0.05CuO4

Research output: ResearchJournal article – Annual report year: 1991

  • Author: Hayden, S.M.

  • Author: Aeppli, G.

  • Author: Mook, H.

  • Author: Rytz, D.

  • Author: Hundley, M.F.

  • Author: Fisk, Z.

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Neutron-scattering and resistivity experiments on single crystals of La1.95Ba0.05CuO4 are described. On warming to as high as 250 K, the correlation length does not change, and the temperature dependence of the generalized susceptibility chi(Q, omega) is due solely to the temperature dependence of the local response. We show that the associated relaxation rate in the metallic regime is h-GAMMA approximately-equals 1/2 k(B)T, in accord with the marginal-Fermi-liquid hypothesis, and relate our results to nuclear spin-lattice relaxation data.
Original languageEnglish
JournalPhysical Review Letters
Volume66
Issue number6
Pages (from-to)821-824
ISSN0031-9007
DOIs
StatePublished - 1991
CitationsWeb of Science® Times Cited: 139
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