Molecular dynamics of interacting kinks. I

Tatsuzo Nagai and Kyozi Kawasaki

Physica A: Statistical Mechanics and its Applications, 1983, vol. 120, issue 3, 587-599

Abstract: A system consisting of a large number (up to 40 000) of kinks and antikinks moving under attractive interactions, which are annihilated on contacting each other, is studied using the method of molecular dynamics computer simulation. The average distance between neighboring kinks increases logarithmically in time after a short initial transient period. The size distribution function of domains between neighboring kinks is also computed and found to develop a characteristic cut-off structure. Interpretation of the results in terms of simple kinetic models is given. The results are compared with the recent neutron scattering experiments on layered antiferromagnets by Ikeda.

Date: 1983
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:120:y:1983:i:3:p:587-599

DOI: 10.1016/0378-4371(83)90069-9

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