We introduce novel relations between the derivatives [∂ n ρ (λ, ml)/∂ mln] of the Dirac
eigenvalue spectrum [ρ (λ, ml)] with respect to the light sea quark mass (ml) and the (n+ 1) …

One intriguing beyond-the-Standard-Model particle is the QCD axion, which could
simultaneously provide a solution to the Strong CP Problem and account for some, if not all …

We study the axial U (1) symmetry at a finite temperature in two-flavor lattice QCD.
Employing the Möbius domain-wall fermions, we generate gauge configurations slightly …

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We propose a new way of understanding how chiral symmetry is realized in the high
temperature phase of QCD. Based on the finding that a simple free instanton gas precisely …

The finite temperature phase diagram of QCD with two massless quark flavors is not yet
understood because of the subtle effects of anomalous UA (1) symmetry. In this work we …

We investigate the axial U (1) anomaly of two-flavor QCD at temperatures 190–330 MeV. In
order to preserve precise chiral symmetry on the lattice, we employ the Möbius domain-wall …

I derive constraints on the Dirac spectrum in the chirally symmetric phase of a gauge theory
with two massless fermion flavors. Using only general properties of correlation functions of …

We combine gradient flow, step-scaling, and finite-temperature boundary conditions to scale-
set 2+ 1+ 1 flavor QCD lattices with physical HISQ quarks at multiple spacings down to a …

Using general properties of the Q= 0 topological sector, we previously argued that a
vectorlike theory, with chiral U (1) A anomaly, and exact non-Abelian chiral symmetry …