Phase diagrams of Ising films with competing interactions

Phase diagrams of Ising films with competing interactions

The axial next-nearest-neighbour Ising (ANNNI) model of finite thickness is studied. Using mean-field theory, Monte Carlo simulations, and low-temperature analyses, phase diagrams are determined, with a distinct phase diagram for each film thickness. The robustness of the phase diagrams against vary...

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Veröffentlicht in:arXiv.org 2002-04
Hauptverfasser: Selke, W, Pleimling, M, Catrein, D
Format: Artikel
Sprache:eng
Schlagworte:
Computer simulation
Couplings
Film thickness
Ising model
Mean field theory
Monte Carlo simulation
Phase diagrams
Surface layers
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Beschreibung
Zusammenfassung:The axial next-nearest-neighbour Ising (ANNNI) model of finite thickness is studied. Using mean-field theory, Monte Carlo simulations, and low-temperature analyses, phase diagrams are determined, with a distinct phase diagram for each film thickness. The robustness of the phase diagrams against varying the couplings in the surface layers is analysed.
ISSN:2331-8422
DOI:10.48550/arxiv.0203395