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Comment on `Six-state clock model on the square lattice: Fisher zeroapproach with Wang-Landau sampling'
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Dept. of Physics, Sungkyunkwan University, Suwon, Korea.
2010 (English)In: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, ISSN 1063-651X, E-ISSN 1095-3787, Vol. 81, no 6, 3101- p.Article in journal (Other academic) Published
Abstract [en]

Hwang in [Phys. Rev. E {\bf{80}}, 042103 (2009)] suggested that the two transitions of the six-state clock model on the square lattice are\emph{not} of the Kosterlitz-Thouless type. Here we show from simulations thatat the upper transition, the helicity modulus does make a discontinuous jumpto zero. This gives strong evidence for a Kosterlitz-Thoulesstransition.

Place, publisher, year, edition, pages
2010. Vol. 81, no 6, 3101- p.
Keyword [en]
six-state clock model, Kosterlitz-Thouless transition, helicity modulus
National Category
Condensed Matter Physics
Research subject
Theoretical Physics
Identifiers
URN: urn:nbn:se:umu:diva-35226DOI: 10.1103/PhysRevE.81.063101ISI: 000278205200007OAI: oai:DiVA.org:umu-35226DiVA: diva2:338025
Note
Original Article: Chi-Ok Hwang, Six-state clock model on the square lattice: Fisher zero approach with Wang-Landau sampling. DOI:10.1103/PhysRevE.80.042103Available from: 2010-08-13 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Baek, Seung KiMinnhagen, Petter

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