CVM modeling of the square Ising lattice with one next-nearest-neighbor interaction
Journal Article
·
· J. Stat. Phys.; (United States)
As an analysis of the development of first-order behavior in two-dimensional Ising lattices, the square lattice with antiferromagnetic nearest-neighbor interactions and a ferromagnetic next-nearest-neighbor interaction in the (11) direction has been modeled. The phase diagram was calculated for a range of interaction parameters and imposed fields; the calculations were performed using the cluster variation method (CVM). Analysis of the calculations suggests that no first-order behavior is developed in this system, so that higher dimensionality or connectivities are required before such behavior is developed.
- Research Organization:
- Univ. of California, Los Angeles
- OSTI ID:
- 5613963
- Journal Information:
- J. Stat. Phys.; (United States), Journal Name: J. Stat. Phys.; (United States) Vol. 49:1-2; ISSN JSTPB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
657002* -- Theoretical & Mathematical Physics-- Classical & Quantum Mechanics
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ANGULAR MOMENTUM
ANTIFERROMAGNETISM
CONFIGURATION INTERACTION
COUPLING
COUPLING CONSTANTS
CRYSTAL LATTICES
CRYSTAL MODELS
CRYSTAL STRUCTURE
DIAGRAMS
DISTANCE
FERROMAGNETISM
HAMILTONIANS
INTERACTION RANGE
INTERMEDIATE COUPLING
ISING MODEL
J-J COUPLING
MAGNETISM
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MECHANICS
ORDER PARAMETERS
ORDER-DISORDER TRANSFORMATIONS
PARTICLE PROPERTIES
PHASE DIAGRAMS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
QUANTUM MECHANICS
QUANTUM OPERATORS
SPIN
STATISTICAL MECHANICS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
TRANSPORT THEORY
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ANGULAR MOMENTUM
ANTIFERROMAGNETISM
CONFIGURATION INTERACTION
COUPLING
COUPLING CONSTANTS
CRYSTAL LATTICES
CRYSTAL MODELS
CRYSTAL STRUCTURE
DIAGRAMS
DISTANCE
FERROMAGNETISM
HAMILTONIANS
INTERACTION RANGE
INTERMEDIATE COUPLING
ISING MODEL
J-J COUPLING
MAGNETISM
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MECHANICS
ORDER PARAMETERS
ORDER-DISORDER TRANSFORMATIONS
PARTICLE PROPERTIES
PHASE DIAGRAMS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
QUANTUM MECHANICS
QUANTUM OPERATORS
SPIN
STATISTICAL MECHANICS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
TRANSPORT THEORY