Topological susceptibility in full QCD: lattice results versus the prediction from the QCD partition function with granularity
High Energy Physics - Lattice
2009-11-07 v2 High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
Recent lattice data from CP-PACS, UKQCD, SESAM/TXL and the Pisa group regarding the quark mass dependence of the topological susceptibility in 2-flavour QCD are compared to each other and to theoretical expectations. The latter get specified by referring to the QCD finite-volume partition function with ``granularity'' which accounts for the entropy brought by instantons and anti-instantons. The chiral condensate in QCD, if determined by this method, turns out surprisingly large.
Keywords
Cite
@article{arxiv.hep-lat/0103011,
title = {Topological susceptibility in full QCD: lattice results versus the prediction from the QCD partition function with granularity},
author = {Stephan Dürr},
journal= {arXiv preprint arXiv:hep-lat/0103011},
year = {2009}
}
Comments
24 pages, 9 figures containing 21 graphs; v2: modifications to account for the changes in the SESAM/TXL data, otherwise minor alterations, except for 4 new references added; to appear in Nucl. Phys. B