Approaching the continuum with anisotropic lattice thermodynamics

2025/10/03 by Jon-Ivar Skullerud, Gert Aarts, Skullerud, Jon-Ivar +25 · 1 citation
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High-Energy Particle Collisions Research #Physics of Superconductivity and Magnetism #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.2510.02954

openalex publication_date 2025/10/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The FASTSUM collaboration has a long-standing programme of using anisotropic lattice QCD to investigate strong interaction thermodynamics, and in particular spectral quantities. Here we present first results from our new ensemble which has a temporal lattice spacing a_t=15am and anisotropy xi=a_s/a_t=7, giving unprecedented resolution in the temporal direction. We show results for the chiral transition, vector-axial-vector degeneracy, and heavy quarkonium, and compare them with earlier results with coarser time resolution.

Citations

• Spectral properties of bottomonium at high temperature: a systematic investigation
• Dataset and scripts for "The curvature of the pseudo-critical line in the QCD phase diagram from mesonic lattice correlation functions"
• FASTSUM Generation 2L Anisotropic Thermal Lattice QCD Gauge Ensembles
• Properties of the QCD thermal transition with N_f=2+1 flavours of Wilson quark
• Anisotropy tuning with the Wilson flow

Cited by

• Hybrid Charmonium at Finite Temperature

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