Physics of eta-prime with rooted staggered quarks

Abstract

The quark-mass dependence of the eta in the Schwinger model, which -- like the eta-prime in QCD -- becomes massive through the axial anomaly, is studied on the lattice with N_f=0,1,2. Staggered quarks are used, with a rooted determinant for N_f=1. In the chiral limit the Schwinger mass is reproduced, which suggests that the anomaly is being treated correctly.

arXiv comment11 pages, 7 figures, 2 tables; v2: presentation improved, 4 refs added

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Cited by in corpus (12)

• Gauge-equivariant flow models for sampling in lattice field theories with pseudofermions
• Flow-based sampling in the lattice Schwinger model at criticality
• Quark Hadron Duality at Finite Temperature
• Simulation strategies for the massless lattice Schwinger model in the dual formulation
• Massive Schwinger model at finite $\theta$
• The Charmonium Potential at Non-Zero Temperature
• Parallel Tempered Metadynamics: Overcoming potential barriers without surfing or tunneling
• Topological Index Theorem on the Lattice through the Spectral Flow of Staggered Fermions
• Brief Review of Saturation Physics
• Two Lectures on QCD at Short Distances: Jets and Factorization
• Topology changing update algorithms for SU(3) gauge theory
• Topological properties of minimally doubled fermions in two space-time dimensions