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15 April 2021
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SCIENCE-ADVISOR - review - "Magnetisation in the 2DXY model?..." review 05090018 (2 readers)    * Rate this comment.
Article reference: Phase Transition with the Berezinskii--Kosterlitz--Thouless Singularity in the Ising Model on a Growing Network.
Review title: Magnetisation in the 2DXY model?
Reviewer: reviewer20
Date: 23 September 2005 at 13:47 GMT.
Read this article?: maybe for the model itself
Comment: It seems that there is a problem of interpretation in this articel. There is no long range order parameter the BKT phase transition because of the Mermin-Wagner theorem at least in the 2DXY model. The magnetisation M is 0 at all temperatures for the 2DXY model. The magnetisation found in this article $M =exp(-c/(\sqrt{T_c-T})$ could be related to a 3DXY or something like that.
I don't understand the BKT interpretation in this article.

important: 2,    broad interest: 2,    readable: 3,    new: 2,    correct: 1,   Global: 2
Article rating: 2/5
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