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arXiv · hep-lat/0310037

Quenched and Unquenched Chiral Perturbation Theory in the ε-Regime

P. H. Damgaard
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Abstract

The chiral limit of finite-volume QCD is the $ε$-regime of the theory. We discuss how this regime can be used for determining low-energy observables of QCD by means of comparisons between lattice simulations and quenched and unquenched chiral perturbation theory. The quenched theory suffers in the $ε$-regime from ``quenched finite volume logs'', the finite-volume analogs of quenched chiral logs.

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P. H. Damgaard. 2003-10-13. Quenched and Unquenched Chiral Perturbation Theory in the ε-Regime. https://doi.org/10.1016/s0920-5632(03)02457-5

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