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    [16] Binder's cumulant for the Kosterlitz-Thouless transition
    D. Loison , J. of Phys. C: Cond. Matter, 11 (1999) L401
    We show that the use of Binder's cumulant $U=1-(M^4)/3 (M^2)^2$ is very useful to study the Kosterlitz-Thouless transition on two dimensional $XY$ systems. We are able to calculate the critical exponent $\eta$ without the knowledge of the critical temperature and exclude the possibility of a power law behavior.
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