Domain walls in modulated systems
- 1 June 1989
- journal article
- competing interactions
- Published by Taylor & Francis in Phase Transitions
- Vol. 16 (1-4) , 287-301
- https://doi.org/10.1080/01411598908245704
Abstract
The properties of discommensurations in modulated phases of the ANNNI-(Axial Next Nearest Neighbour Interaction) model are described. A method is presented for deriving wall profiles, free energies, and interaction energies from a fixed point expansion of the 4d mapping representing the MFA equilibrium equations. Implications for the characteristics of phase diagrams and transitions are discussed.Keywords
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