Phase Transition of a Ferromagnetic Ising Superlattice in a Transverse Field | Zendy

Wu Yinzhong | Zendy; Zhong Jialin | Zendy

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Phase Transition of a Ferromagnetic Ising Superlattice in a Transverse Field

Author(s) -

Wu Yinzhong,

Zhong Jialin

Publication year - 1995

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221900228

Subject(s) - condensed matter physics , ising model , superlattice , ferromagnetism , magnetism , transverse field , phase diagram , phase transition , physics , field (mathematics) , coupling (piping) , materials science , phase (matter) , quantum mechanics , mathematics , pure mathematics , metallurgy

Using the effective‐field theory with corrections, the critical behavior of a magnetic superlattice consisting of two different ferromagnets is examined in a spin‐1 transverse Ising model. The dependence of the critical temperature on the thickness of the constituents in a unit cell is investigated for different cases. A critical value of the interface exchange coupling ( J ab ) c above which the interface magnetism appears is found, and the effect of the transvcrsc field on ( J ab ) c is also investigated. All the results are understandable by phase diagrams.

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