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High-precision analysis of the critical point in heavy-quark QCD at $N_t=6$

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arxiv 2407.09156 v1 pith:7XK5HLYB submitted 2024-07-12 hep-lat hep-phnucl-th

classification hep-lathep-phnucl-th
keywords analysisaspectcriticalexpansionfinerheavy-quarkhigh-precisionhopping-parameter
verification ladder T0 review T1 audit T2 compute T3 formal
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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 $N_t=6$. We extend our previous analysis at $N_t=4$ to finer lattices and perform high-precision analyses on large spatial volumes up to the aspect ratio $LT=N_s/N_t=18$. 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.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Higher-order hopping-parameter expansion by human-AI collaboration

    hep-lat 2026-06 conditional novelty 6.5 of 10

    Trie-structured algorithms compute κ^8 to κ^12 terms in the hopping expansion of Tr ln M at costs scaling from 20x to 8900x a staple, verified by direct comparison to a reference calculation.

  2. Finite-size scaling of Lee-Yang zeros and its application to the 3-state Potts model and heavy-quark QCD

    hep-lat 2025-01 conditional novelty 6.0 of 10

    Ratios of Lee-Yang zeros on finite lattices cross at the critical point, giving a new finite-size-scaling method verified in Ising, Potts, and heavy-quark QCD models.

  3. First-order phase transitions in the heavy quark region of lattice QCD at high temperatures and high densities

    hep-lat 2025-01 conditional novelty 6.0 of 10

    In the heavy quark region of QCD, the phase transition is predicted to become first-order again at very high baryon chemical potential, after first turning into a crossover at moderate density.

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