English

QCD with (2+1) flavors at the physical point in external chromomagnetic fields

High Energy Physics - Lattice 2024-07-11 v1 High Energy Physics - Experiment High Energy Physics - Phenomenology

Abstract

We investigate full QCD with (2+1)-flavour of HISQ fermions at the physical point in the presence of uniform Abelian chromomagnetic background fields. Our focus is on the renormalized light and strange chiral condensate around the pseudo-critical temperature. We find that in the confined region the gauge system is subjected to the chromomagnetic catalysis that turns into the inverse catalysis in the high-temperature regime. We further observe that the chiral condensates are subjected to the so-called thermal hysteresis. Our estimate of the deconfinement temperature indicates that the critical temperature begins to decrease in the small field region, soon after it seems to saturate and finally increase with the strength of the chromomagnetic field.

Keywords

Cite

@article{arxiv.2407.06578,
  title  = {QCD with (2+1) flavors at the physical point in external chromomagnetic fields},
  author = {Paolo Cea and Leonardo Cosmai},
  journal= {arXiv preprint arXiv:2407.06578},
  year   = {2024}
}

Comments

28 pages, 9 figures, 3 tables