Lifshitz-Allen-Cahn domain-growth kinetics of Ising models with conserved density

Hans C. Fogedby; Ole G. Mouritsen

doi:10.1103/PhysRevB.37.5962

Lifshitz-Allen-Cahn domain-growth kinetics of Ising models with conserved density

Hans C. Fogedby
, Ole G. Mouritsen

Aarhus University

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Abstract

The domain-growth kinetics of p=fourfold degenerate (2×1) ordering in two-dimensional Ising models with conserved density is studied as a function of temperature and range of Kawasaki spin exchange. It is found by computer simulations that the zero-temperature freezing-in behavior for nearest-neighbor exchange is released when next-nearest-neighbor exchange is included. The Lifshitz-Allen-Cahn growth law is obeyed for all temperatures indicating that the density conservation is irrelevant also for p>2. .AE

Original language	English
Journal	Physical Review B
Volume	37
Issue number	10
Pages (from-to)	5962-5965
ISSN	2469-9950
DOIs	https://doi.org/10.1103/PhysRevB.37.5962
Publication status	Published - 1988

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Copyright (1988) by the American Physical Society.

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title = "Lifshitz-Allen-Cahn domain-growth kinetics of Ising models with conserved density",

abstract = "The domain-growth kinetics of p=fourfold degenerate (2×1) ordering in two-dimensional Ising models with conserved density is studied as a function of temperature and range of Kawasaki spin exchange. It is found by computer simulations that the zero-temperature freezing-in behavior for nearest-neighbor exchange is released when next-nearest-neighbor exchange is included. The Lifshitz-Allen-Cahn growth law is obeyed for all temperatures indicating that the density conservation is irrelevant also for p>2. .AE",

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AB - The domain-growth kinetics of p=fourfold degenerate (2×1) ordering in two-dimensional Ising models with conserved density is studied as a function of temperature and range of Kawasaki spin exchange. It is found by computer simulations that the zero-temperature freezing-in behavior for nearest-neighbor exchange is released when next-nearest-neighbor exchange is included. The Lifshitz-Allen-Cahn growth law is obeyed for all temperatures indicating that the density conservation is irrelevant also for p>2. .AE

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Lifshitz-Allen-Cahn domain-growth kinetics of Ising models with conserved density

Abstract

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