Monte Carlo study of the critical behavior of pure and site-diluted Ising ferro- and ferrimagnets
Journal Article
·
· J. Stat. Phys.; (United States)
Monte Carlo simulations are performed for pure and site-diluted Ising ferro- and ferrimagnets on a simple cubic lattice with up to 40/sup 3/ sites and with impurity concentration x. For the diluted ferromagnet (x = 0.2) the exponent ..beta.. = 0.392 +- 0.03 is definitely larger than the pure model value of ..beta.. = 0.304 +- 0.03. In the contrast, for ferrimagnetic systems (x = 0, 0.1, 0.2) the ..beta.. values appear to be independent of x and within the error limits consistent with the value for the pure ferromagnet, possibly because the width of the asymptotic random critical regime (or of the crossover regime) is even smaller than in the case of ferromagnets.
- Research Organization:
- Institut fuer Physik, Stuttgart (West Germany)
- OSTI ID:
- 6056540
- Journal Information:
- J. Stat. Phys.; (United States), Journal Name: J. Stat. Phys.; (United States) Vol. 52:3-4; ISSN JSTPB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
656002* -- Condensed Matter Physics-- General Techniques in Condensed Matter-- (1987-)
657002 -- Theoretical & Mathematical Physics-- Classical & Quantum Mechanics
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANGULAR MOMENTUM
BOUNDARY CONDITIONS
COMPUTERIZED SIMULATION
CRITICAL TEMPERATURE
CRYSTAL MODELS
DILUTION
FERRIMAGNETIC MATERIALS
FERRIMAGNETISM
FERROMAGNETIC MATERIALS
FERROMAGNETISM
ISING MODEL
MAGNETIC MATERIALS
MAGNETISM
MAGNETIZATION
MATERIALS
MATHEMATICAL MODELS
MECHANICS
MONTE CARLO METHOD
ORDER-DISORDER TRANSFORMATIONS
PARTICLE PROPERTIES
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
SCALING LAWS
SIMULATION
SPIN
STATISTICAL MECHANICS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
657002 -- Theoretical & Mathematical Physics-- Classical & Quantum Mechanics
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANGULAR MOMENTUM
BOUNDARY CONDITIONS
COMPUTERIZED SIMULATION
CRITICAL TEMPERATURE
CRYSTAL MODELS
DILUTION
FERRIMAGNETIC MATERIALS
FERRIMAGNETISM
FERROMAGNETIC MATERIALS
FERROMAGNETISM
ISING MODEL
MAGNETIC MATERIALS
MAGNETISM
MAGNETIZATION
MATERIALS
MATHEMATICAL MODELS
MECHANICS
MONTE CARLO METHOD
ORDER-DISORDER TRANSFORMATIONS
PARTICLE PROPERTIES
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
SCALING LAWS
SIMULATION
SPIN
STATISTICAL MECHANICS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE