The role of strangeness in chiral and U(1)A restoration

• Published in: The European physical journal. C, Particles and fields Vol. 81; no. 7; p. 637
• Main Authors: Gómez Nicola, A., Ruiz de Elvira, J., Vioque-Rodríguez, A., Álvarez-Herrero, D.
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.07.2021; Springer Nature B.V
• Subjects: Astronomy; Astrophysics and Cosmology; Chiral dynamics; Condensates; Degeneration; Elementary Particles; Flavor (particle physics); Hadrons; Heavy Ions; Light; Measurement Science and Instrumentation; Nuclear Energy; Nuclear Physics; Perturbation theory; Phase transitions; Physics; Physics and Astronomy; Quantum Field Theories; Quantum Field Theory; Quarks; Regular Article - Theoretical Physics; Restoration; Simulation; Strangeness; String Theory; Symmetry; Theoretical physics

We use recently derived Ward identities and lattice data for the light- and strange-quark condensates to reconstruct the scalar and pseudoscalar susceptibilities ( χ S κ , χ P K ) in the isospin 1/2 channel. We show that χ S κ develops a maximum above the QCD chiral transition, after which it degene...