Vortex corrections to universal scaling of magnetic fluctuations in 2D XY model
classification
❄️ cond-mat.stat-mech
keywords
fluctuationsmagnetizationprobabilitytemperaturevortexbelowclosecontribution
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The vortex contribution to the probability density function of longitudinal magnetization fluctuations is examined in finite 2D XY systems close to the Kosterlitz-Thouless-Berezinskii transition temperature. Within the temperature range studied their relevance is limited to rare fluctuations, where they increase the probability of events exceeding four standard deviations below the mean magnetization.
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