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Lee-Yang zeros in heavy-quark QCD

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arxiv 2503.22246 v1 pith:3I34YBZJ submitted 2025-03-28 hep-ph

Masakiyo Kitazawa , Tatsuya Wada , Kazuyuki Kanaya This is my paper
classification hep-ph
keywords criticalpointaroundlee-yangzerosheavy-quarknumericalscaling
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We explore the distribution of Lee-Yang zeros around the critical point that appears in the heavy-quark region of QCD at nonzero temperature in lattice numerical simulations. With the aid of the hopping-parameter expansion that is well justified around the critical point in our setting, our numerical analysis is capable of analyzing the partition function for complex parameters with high accuracy. This enables precise analyses of the Lee-Yang zeros around the critical point. We study their finite-size scaling around the critical point. We also propose new methods to utilize the scaling behavior of the Lee-Yang zeros for fixing the location of the critical point.

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Cited by 1 Pith paper

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

  1. Lee--Yang edge singularities in Nonlocal Nambu--Jona-Lasinio Model

    hep-ph 2025-09 conditional novelty 6.0 of 10

    In a nonlocal NJL model, Lee-Yang edge singularities follow trajectories that end at the QCD critical point, with critical exponent 1.494(1) matching mean-field scaling.

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