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Updated: Feb 27, 2026

Frequency and Distribution of Crossovers in Caenorhabditis elegans Meiosis by SNP Genotyping using Real-time PCR
Published on: July 11, 2025
Long-Range Critical Exponents near the Short-Range Crossover
Connor Behan1, Leonardo Rastelli1, Slava Rychkov2,3
1C. N. Yang Institute for Theoretical Physics, SUNY, Stony Brook, New York 11794-3840, USA.
Abstract:
The d-dimensional long-range Ising model, defined by spin-spin interactions decaying with the distance as the power 1/r^{d+s}, admits a second-order phase transition with continuously varying critical exponents. At s=s_{*}, the phase transition crosses over to the usual short-range universality class. The standard field-theoretic description of this family of models is strongly coupled at the crossover. We find a new description, which is instead weakly coupled near the crossover, and use it to compute critical exponents. The existence of two complementary UV descriptions of the same long-range fixed point provides a novel example of infrared duality.
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