The paper establishes a dichotomy for height functions at the BKT transition: localization yields exponential covariance decay while delocalization forces at least logarithmic variance growth with a universal positive gap in effective temperature, and the delocalized regime is closed including the B
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A dichotomy theory for the height functions of the BKT transition
The paper establishes a dichotomy for height functions at the BKT transition: localization yields exponential covariance decay while delocalization forces at least logarithmic variance growth with a universal positive gap in effective temperature, and the delocalized regime is closed including the B