Computer simulation of vortex formation during domain growth

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Computer simulation of vortex formation during domain growth. / Jeppesen, Claus; Mouritsen, Ole G.; Flyvbjerg, Henrik.

In: Physica Scripta, Vol. T33, 1990, p. 180-184.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Jeppesen, C, Mouritsen, OG & Flyvbjerg, H 1990, 'Computer simulation of vortex formation during domain growth', Physica Scripta, vol. T33, pp. 180-184. https://doi.org/10.1088/0031-8949/1990/T33/034

APA

Jeppesen, C., Mouritsen, O. G., & Flyvbjerg, H. (1990). Computer simulation of vortex formation during domain growth. Physica Scripta, T33, 180-184. https://doi.org/10.1088/0031-8949/1990/T33/034

Vancouver

Jeppesen C, Mouritsen OG, Flyvbjerg H. Computer simulation of vortex formation during domain growth. Physica Scripta. 1990;T33:180-184. https://doi.org/10.1088/0031-8949/1990/T33/034

Author

Jeppesen, Claus ; Mouritsen, Ole G. ; Flyvbjerg, Henrik. / Computer simulation of vortex formation during domain growth. In: Physica Scripta. 1990 ; Vol. T33. pp. 180-184.

Bibtex

@article{1a1892fbd4fb488b86aa670b6169d149,
title = "Computer simulation of vortex formation during domain growth",
abstract = "We have studied the finite-temperature domain-growth kinetics in two-dimensional models with high ground-state degeneracy and non-conserved order parameter by means of Monte Carlo temperature-quenching techniques. The models are Q-state Potts models with anisotropic pair potential which at low temperatures are found to develop vortex structures during the non-equilibrium domain-growth process. The vortex formation is an entropy-driven effect in this model. We have identified vortex-antivortex pairs as a significant structural element of the temporal domain-boundary morphology and shown that the vortices and anti-vortices annihilate during the growth process without pinning the ordering process. The resulting growth law as derived from the excess domain-wall energy and the vortex density is found to be the Lifshitz-Allen-Cahn law with the classical exponent value, n = ½, independent of the ordering degeneracy Q.",
author = "Claus Jeppesen and Mouritsen, {Ole G.} and Henrik Flyvbjerg",
year = "1990",
doi = "10.1088/0031-8949/1990/T33/034",
language = "English",
volume = "T33",
pages = "180--184",
journal = "Physica Scripta",
issn = "0031-8949",
publisher = "IOP Publishing",

}

RIS

TY - JOUR

T1 - Computer simulation of vortex formation during domain growth

AU - Jeppesen, Claus

AU - Mouritsen, Ole G.

AU - Flyvbjerg, Henrik

PY - 1990

Y1 - 1990

N2 - We have studied the finite-temperature domain-growth kinetics in two-dimensional models with high ground-state degeneracy and non-conserved order parameter by means of Monte Carlo temperature-quenching techniques. The models are Q-state Potts models with anisotropic pair potential which at low temperatures are found to develop vortex structures during the non-equilibrium domain-growth process. The vortex formation is an entropy-driven effect in this model. We have identified vortex-antivortex pairs as a significant structural element of the temporal domain-boundary morphology and shown that the vortices and anti-vortices annihilate during the growth process without pinning the ordering process. The resulting growth law as derived from the excess domain-wall energy and the vortex density is found to be the Lifshitz-Allen-Cahn law with the classical exponent value, n = ½, independent of the ordering degeneracy Q.

AB - We have studied the finite-temperature domain-growth kinetics in two-dimensional models with high ground-state degeneracy and non-conserved order parameter by means of Monte Carlo temperature-quenching techniques. The models are Q-state Potts models with anisotropic pair potential which at low temperatures are found to develop vortex structures during the non-equilibrium domain-growth process. The vortex formation is an entropy-driven effect in this model. We have identified vortex-antivortex pairs as a significant structural element of the temporal domain-boundary morphology and shown that the vortices and anti-vortices annihilate during the growth process without pinning the ordering process. The resulting growth law as derived from the excess domain-wall energy and the vortex density is found to be the Lifshitz-Allen-Cahn law with the classical exponent value, n = ½, independent of the ordering degeneracy Q.

U2 - 10.1088/0031-8949/1990/T33/034

DO - 10.1088/0031-8949/1990/T33/034

M3 - Journal article

AN - SCOPUS:84956228935

VL - T33

SP - 180

EP - 184

JO - Physica Scripta

JF - Physica Scripta

SN - 0031-8949

ER -

ID: 236893854