Numerical simulations identify the Slater-Mott crossover in the 2D Hubbard model at U/t=4.0(2) via sign change of (∂D/∂T)_U and maximum in antiferromagnetic correlation length, unified by a local minimum in thermal entropy versus U.
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Thermal Signatures of the Slater-Mott Crossover in the Hubbard Model: From Double Occupancy to Antiferromagnetic Correlation Length
Numerical simulations identify the Slater-Mott crossover in the 2D Hubbard model at U/t=4.0(2) via sign change of (∂D/∂T)_U and maximum in antiferromagnetic correlation length, unified by a local minimum in thermal entropy versus U.