Abstract
Binder-cumulant analysis of the critical point in the heavy-quark region of QCD is performed by Monte-Carlo simulations with the hopping-parameter expansion at Nt=6. We extend our previous analysis at Nt=4 to finer lattices and perform high-precision analyses on large spatial volumes up to the aspect ratio LT=Ns/Nt=18. Higher order terms in the hopping-parameter expansion are incorporated effectively up to 14th order. The numerical results show that the violation of the finite-size scaling becomes more prominent on the finer lattice at a given aspect ratio. Published by the American Physical Society 2024
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