Journal of Low Temperature Physics

, Volume 196, Issue 1–2, pp 314–320 | Cite as

On the Internal Structure of Smaller Domains in Domain Coarsening Dynamics of Spontaneous \(Z_2\)-Symmetry Breaking in Two Dimensions

  • Hiromitsu TakeuchiEmail author


The internal structure of domains smaller than the characteristic size in domain coarsening dynamics of \(Z_2\) symmetry breaking is evaluated theoretically for different phase-ordering systems in two dimensions. In the previous works on (non-) conserved Ising systems and binary superfluids, the statistical properties of smaller domains are analyzed by assuming that the contribution from its internal structure is negligible. It is shown that this assumption is justified analytically with respect to the statistical quantities, such as domain area, domain wall length and superfluid circulation, according to the empirical dynamic scaling law for the smaller domains.


Spontaneous symmetry breaking Phase-ordering kinetics Multi-component superfluids 



This work was supported by JSPS KAKENHI Grant Nos. JP17K05549 and JP17H02938. The present research was also supported in part by the Osaka City University (OCU) Strategic Research Grant 2018 for young researchers.


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of PhysicsOsaka City UniversityOsakaJapan

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