Monte Carlo simulation of a coupled XY model

I. M. Jiang, S. N. Huang, J. Y. Ko, T. Stoebe, A. J. Jin, C. C. Huang

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


Employing the Monte Carlo simulation technique, we have investigated several phase transitions exhibited by a coupled XY model in two dimensions. The model is based on the Hamiltonian proposed by Bruinsma and Aeppli [Phys. Rev. Lett. 48, 1625 (1982)]. The simulation results demonstrate the existence of a new type of phase transition in which two different orderings are simultaneously established through a continuous transition. The unique nature of this phase transition provides a plausible explanation for our recent high-resolution heat-capacity data near the smectic-A-hexatic-B transition of two-layer free-standing films.

Original languageEnglish (US)
Pages (from-to)R3240-R3243
JournalPhysical Review E
Issue number5
StatePublished - 1993


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