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Looking for U(1)_A in Hot QCD Matter with Domain-Wall Fermions
Proceedings of XXIX International Symposium on Lattice Field Theory — PoS(Lattice 2011)
The effects of the axial anomaly are suppressed at high temperatures due to screening effects in the quark-gluon plasma. If the suppression is nearly complete close to the chiral transition temperature, this can have consequences for the nature of the phase transition. The use of a chiral action such as Domain Wall Fermions allows us to gain a deeper insight into the issue. Our lattice sizes were 16 3 × 8 × L s , with L s = 32 or 48, and our pion mass was approximately 200 MeV. We found thatdoi:10.22323/1.139.0014 fatcat:pag73ztjm5belhs6xp6cd43i6y