Phase Diagram for the Ising Model with a Free Surface | Zendy

Honmura R. | Zendy; Sarmento E. F. | Zendy; Fittipaldi I. P. | Zendy; Kaneyoshi T. | Zendy

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Phase Diagram for the Ising Model with a Free Surface

Author(s) -

Honmura R.,

Sarmento E. F.,

Fittipaldi I. P.,

Kaneyoshi T.

Publication year - 1984

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.2221210120

Subject(s) - ising model , phase diagram , formalism (music) , statistical physics , condensed matter physics , ferromagnetism , diagram , simple (philosophy) , physics , theoretical physics , phase (matter) , mathematics , quantum mechanics , statistics , art , musical , visual arts , philosophy , epistemology

The phase diagrams that occur in a semi‐infinite ferromagnetic Ising model with enhanced surface couplings are studied by means of a new‐type of effective‐field theory. A considerable qualitative and to a certain extent quantitative improvement on the traditional mean field phase diagram is obtained. The results obtained by using such a simple formalism are also in good agreement with more sophisticated techniques.

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