Numerical simulations reveal continuously varying critical exponents in the dilute Baxter-Wu model that cross over to first-order behavior at strong crystal fields, with central charge near 1.
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cond-mat.stat-mech 2years
2026 2verdicts
UNVERDICTED 2roles
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Hybrid cluster-local Monte Carlo dynamics stay efficient along the entire critical line of the 2D Blume-Capel model but revert to local-update scaling precisely at tricriticality because vacancy percolation blocks nonlocal spin relaxation.
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Crossover and universality breaking in the dilute Baxter-Wu model
Numerical simulations reveal continuously varying critical exponents in the dilute Baxter-Wu model that cross over to first-order behavior at strong crystal fields, with central charge near 1.
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Cluster Dynamics Stay Fast-Until Tricriticality
Hybrid cluster-local Monte Carlo dynamics stay efficient along the entire critical line of the 2D Blume-Capel model but revert to local-update scaling precisely at tricriticality because vacancy percolation blocks nonlocal spin relaxation.