Application of antiferromagnetic-Fermi-liquid theory to NMR experiments in La sub 1. 85 Sr sub 0. 15 CuO sub 4 (US)

Journal Article · Tue Jan 01 04:00:00 EST 1991 · Physical Review, B: Condensed Matter; (USA)

DOI:https://doi.org/10.1103/PhysRevB.43.275· OSTI ID:6172592

Monien, H; Monthoux, P; Pines, D ^[1]

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1. Department of Physics and Materials Research Laboratory, University of Illinois at Urbana-Champaign, 1110 West Green Street, Urbana, IL (USA)

NMR experiments on La{sub 1.85}Sr{sub 0.15}CuO{sub 4} by Kitaoka {ital et} {ital al}. and Imai {ital et} {ital al}. are analyzed using the phenomenological antiferromagnetic (AF) Fermi liquid theory of Millis, Monien, and Pines, and the results are compared with those previously obtained for YBa{sub 2}Cu{sub 3}O{sub 7} and YBa{sub 2}Cu{sub 3}O{sub 6.63}. A one-component model, with hyperfine couplings that are unchanged from those found previously for YBa{sub 2}Cu{sub 3}O{sub 7} and YBa{sub 2}Cu{sub 3}O{sub 6.63}, and parameters obtained from experiment, provide a quantitative fit to the data. At all temperatures the antiferromagnetic correlations found in La{sub 1.85}Sr{sub 0.15}CuO{sub 4} are stronger than those found for the Y-Ba-Cu-O samples with the result that the characteristic energy for the antiferromagnetic paramagnons that describe the AF spin dynamics is quite low ({lt}{ital kT} and {similar to}20 K at {ital T}{sub {ital c}}). We use the deduced paramagnon energies to calculate the contribution to the electrical resistivity from quasiparticle-antiferromagnetic paramagnon scattering for La{sub 1.85}Sr{sub 0.15}CuO{sub 4}, YBa{sub 2}Cu{sub 3}O{sub 7}, and YBa{sub 2}Cu{sub 3}O{sub 6.63}, and find that it displays a linear temperature dependence for all three materials. Our results support the proposal that the properties of a nearly antiferromagnetic Fermi liquid are genuinely novel, and suggest that both the spin and charge aspects of the normal-state properties of the cuprate oxide superconductors can be quantitatively explained in terms of quasiparticles coupled to antiferromagnetic paramagnons whose characteristic energy scale is {lt}{ital kT}.

• OSTI ID: 6172592
• Journal Information: Physical Review, B: Condensed Matter; (USA), Journal Name: Physical Review, B: Condensed Matter; (USA) Vol. 43:1; ISSN PRBMD; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
ANTIFERROMAGNETISM
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CORRELATIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FERMI GAS
FLUIDS
GASES
HYPERFINE STRUCTURE
KNIGHT SHIFT
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MAGNETIC RESONANCE
MAGNETISM
MAGNONS
NUCLEAR MAGNETIC RESONANCE
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
QUASI PARTICLES
RARE EARTH COMPOUNDS
RESONANCE
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
TRANSITION ELEMENT COMPOUNDS