A Simplified Model of Phase Transition in Amorphous Antiferromagnets. II: Effect of the Magnetic Field | Zendy

Hikaru Kawamura | Zendy

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A Simplified Model of Phase Transition in Amorphous Antiferromagnets. II: Effect of the Magnetic Field

Author(s) -

Hikaru Kawamura

Publication year - 1983

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.70.1197

Subject(s) - ferrimagnetism , condensed matter physics , physics , magnetization , amorphous solid , ising model , field (mathematics) , phase transition , magnetic field , monte carlo method , phase (matter) , quantum mechanics , chemistry , statistics , mathematics , organic chemistry , pure mathematics

Investigation of a simplified statistical model of Ising amorphous antiferromagnets is continued. The effect of the magnetic field on various thermodynamical quantities is studied with use of the Monte Carlo method. It is found that application of a certain range of finite magnetic field changes nature of the spin freezing transition qualitatiYely. The low temperature phase becomes essentially like "ferrimagnetic" when viewed in a properly defined "curved" space. The field cooled magnetization at low temperatures has a plateau region versus the magnetic field whereas the zero field cooled magnetization shows almost linear behavior.

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