TL;DR
This paper develops a random matrix theory model for the staggered lattice QCD Dirac operator, capturing taste breaking effects at leading order, and connects it to the staggered chiral Lagrangian.
Contribution
It extends previous models by including all leading order taste breaking terms in the staggered RMT framework.
Findings
Derived the taste breaking contributions to the partition function.
Analyzed the Dirac eigenvalues with taste breaking effects.
Established the equivalence to the zero-momentum limit of the staggered chiral Lagrangian.
Abstract
We present a random matrix theory (RMT) for the staggered lattice QCD Dirac operator. The staggered RMT is equivalent to the zero-momentum limit of the staggered chiral Lagrangian and includes all taste breaking terms at their leading order. This is an extension of previous work which only included some of the taste breaking terms. We will also present some results for the taste breaking contributions to the partition function and the Dirac eigenvalues.
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