Quasi-static probes of the QCD plasma
Debasish Banerjee, Rajiv V. Gavai, Sourendu Gupta
TL;DR
This study investigates the behavior of screening correlators and masses in finite-temperature QCD with dynamical quarks, revealing a hierarchical chiral symmetry restoration and emphasizing the importance of quark mass control.
Contribution
It provides new insights into the temperature dependence of screening masses and the role of quark mass in chiral symmetry restoration in lattice QCD.
Findings
Hierarchical approach to chiral symmetry restoration observed.
No decays detected in scalar meson-like correlators in the confined phase.
Control of quark mass is crucial for understanding symmetry phenomena.
Abstract
Screening correlators and masses were studied at finite temperature in QCD with two flavours of dynamical staggered quarks on a lattice. The spectrum of screening masses show a hierarchical approach to chiral symmetry restoration. Control of explicit chiral symmetry breaking through the quark mass was shown to be an important step to understanding this phenomenon. No sign of decays was found in the finite temperature scalar meson-like correlators in the confined phase.
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