Sharpness of the logarithmic inverse-temperature threshold for uniform separation

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Let (βn)(\beta_n) be a sequence of inverse temperatures, and consider the Coulomb gas configurations at these temperatures. Sharpness conjecture. If almost sure uniform separation holds for some sequence of inverse temperatures (βn)(\beta_n), then necessarily

βn≥clog⁡n\beta_n\ge c\log n

for some constant c>0c>0. This predicts that the logarithmic scale in the uniform-separation theorem is necessary, although the statement does not specify the dependence of cc on the model or the precise meaning of uniform separation beyond the referenced theorem.

References

Primary source

Yacin Ameur and José Luis Romero, “The planar low temperature Coulomb gas: separation and equidistribution”, arXiv:2010.10179 (2022).

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