Spin correlations in the 2D Heisenberg antiferromagnet Sr[sub 2]CuO[sub 2]Cl[sub 2]: Neutron scattering, Monte Carlo simulation, and theory
Journal Article
·
· Physical Review Letters; (United States)
- Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (United States) Department of Physics, Brookhaven National Laboratory, Upton, New York 11973 (United States) Department of Physics, Tohoku University, Sendai 980 (Japan)
We report a neutron scattering study of the spin correlations in the model 2D, [ital S]=1/2, square-lattice Heisenberg antiferromagnetic Sr[sub 2]CuO[sub 2]Cl[sub 2]. The spin correlation lengths obtained agree quantitatively with values deduced from Monte Carlo simulations over a wide range of temperature. The combined data, which cover the length scale from 1 to 200 lattice constants, are predicted accurately with no adjustable parameters by renormalized classical theory for the quantum nonlinear sigma model.
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 5143375
- Journal Information:
- Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 72:7; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
665000* -- Physics of Condensed Matter-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANGULAR MOMENTUM
ANTIFERROMAGNETIC MATERIALS
BOSON-EXCHANGE MODELS
CALCULATION METHODS
CHALCOGENIDES
CHLORINE COMPOUNDS
CHLORINE OXIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CORRELATED-PARTICLE MODELS
DIFFRACTION
HALOGEN COMPOUNDS
MAGNETIC MATERIALS
MATERIALS
MATHEMATICAL MODELS
MONTE CARLO METHOD
NEUTRON DIFFRACTION
NEUTRON SPECTRA
OXIDES
OXYGEN COMPOUNDS
PARTICLE MODELS
PARTICLE PROPERTIES
PERIPHERAL MODELS
SCATTERING
SIGMA MODEL
SPECTRA
SPIN
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANGULAR MOMENTUM
ANTIFERROMAGNETIC MATERIALS
BOSON-EXCHANGE MODELS
CALCULATION METHODS
CHALCOGENIDES
CHLORINE COMPOUNDS
CHLORINE OXIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CORRELATED-PARTICLE MODELS
DIFFRACTION
HALOGEN COMPOUNDS
MAGNETIC MATERIALS
MATERIALS
MATHEMATICAL MODELS
MONTE CARLO METHOD
NEUTRON DIFFRACTION
NEUTRON SPECTRA
OXIDES
OXYGEN COMPOUNDS
PARTICLE MODELS
PARTICLE PROPERTIES
PERIPHERAL MODELS
SCATTERING
SIGMA MODEL
SPECTRA
SPIN
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS