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The chiral condensate of $N_f=2+1$ QCD from the spectrum of the staggered Dirac operator

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arxiv 2308.01303 v2 pith:DSTQ5F3L submitted 2023-08-02 hep-lat hep-ph

classification hep-lathep-ph
keywords chiralcondensateconsistentdiracmassoperatorresultsstaggered
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We compute the chiral condensate of $2+1$ QCD from the mode number of the staggered Dirac operator, performing controlled extrapolations to both the continuum and the chiral limit. We consider also alternative strategies, based on the quark mass dependence of the topological susceptibility and of the pion mass, and obtain consistent results within errors. Results are also consistent with phenomenological expectations and with previous numerical determinations obtained with different lattice discretizations.

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Cited by 1 Pith paper

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  1. The gluino condensate of large-$N$ SUSY Yang-Mills

    hep-lat 2024-12 conditional novelty 4.0 of 10

    The large-N SUSY gluino condensate is computed on the lattice for the first time and agrees, within errors, with the weak-coupling instanton value.

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