Long-range correlations in the two-dimensional spin-(1/2 antiferromagnetic Heisenberg model: A quantum Monte Carlo study
Journal Article
·
· Phys. Rev. Lett.; (United States)
Using an extended version of Handscomb's Monte Carlo method we study the spin-(1/2 quantum antiferromagnetic Heisenberg model on square lattices of various sizes. The calculated correlation length associated with antiferromagnetic order grows very rapidly as the temperature is lowered suggesting an essential singularity. Our results are consistent with those recently observed by neutron scattering done on Lo/sub 2/CuO/sub 4/.
- Research Organization:
- Supercomputer Computations Research Institute, Florida State University, Tallahassee, Florida 32306
- OSTI ID:
- 5418111
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 60:9; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ANTIFERROMAGNETIC MATERIALS
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CORRELATIONS
CRYSTAL MODELS
DIFFRACTION
DISTANCE
ELECTRON CORRELATION
HEISENBERG MODEL
INTERACTION RANGE
LANTHANUM COMPOUNDS
MAGNETIC MATERIALS
MATERIALS
MATHEMATICAL MODELS
MONTE CARLO METHOD
NEUTRON DIFFRACTION
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
SCATTERING
SINGULARITY
TRANSITION ELEMENT COMPOUNDS
TWO-DIMENSIONAL CALCULATIONS
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ANTIFERROMAGNETIC MATERIALS
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CORRELATIONS
CRYSTAL MODELS
DIFFRACTION
DISTANCE
ELECTRON CORRELATION
HEISENBERG MODEL
INTERACTION RANGE
LANTHANUM COMPOUNDS
MAGNETIC MATERIALS
MATERIALS
MATHEMATICAL MODELS
MONTE CARLO METHOD
NEUTRON DIFFRACTION
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
SCATTERING
SINGULARITY
TRANSITION ELEMENT COMPOUNDS
TWO-DIMENSIONAL CALCULATIONS