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Título: | Finite-size scaling of the left-current correlator with non-degenerate quark masses |
Autor: | Bernardoni, Fabio; Hernández Gamazo, Pilar CSIC ORCID | Palabras clave: | Chiral perturbation theory Exactly massless quarks Lattice QCD ε-regime Dirac operator Gauge-theories |
Fecha de publicación: | 5-oct-2007 | Editor: | International School for Advanced Studies Institute of Physics Publishing |
Citación: | Journal of High Energy Physics 10: 033 (2007) JHEP10(2007)033 |
Resumen: | We study the volume dependence of the left-current correlator with non-degenerate quark masses to next-to-leading order in the chiral expansion. We consider three possible regimes: all quark masses are in the ε-regime, all are in the p-regime and a mixed-regime where the lighest quark masses satisfy m(v)ΣV ≤ t while the heavier m(s)ΣV >> 1. These results can be used to match lattice QCD and the Chiral Effective Theory in a large but finite box in which the Compton wavelength of the lightest pions is of the order of the box size. We consider both the full and partially-quenched results. | Descripción: | 26 pages, 4 figures.-- ISI Article Identifier: 000250759700078.-- ArXiv pre-print available at: http://arxiv.org/abs/0707.3887 | Versión del editor: | http://dx.doi.org/10.1088/1126-6708/2007/10/033 | URI: | http://hdl.handle.net/10261/9126 | DOI: | 10.1088/1126-6708/2007/10/033 | ISSN: | 1126-6708 | E-ISSN: | 1029-8479 |
Aparece en las colecciones: | (IFIC) Artículos |
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