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On the phase diagram of quenched QCD with Wilson fermions

โœ Scribed by Maarten Golterman

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
541 KB
Volume
128
Category
Article
ISSN
0920-5632

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โœฆ Synopsis

In this talk, I reported on recent work on the Aoki phase diagram for quenched QCD with two flavors of Wilson fermions. Part of this work was done in collaboration with Yigal Shamir [l], and a shorter account of this part appeared recently [2]. In this write-up, I will therefore limit myself to reporting on work done with Steve Sharpe and Robert Singleton, Jr. [3], which has not been published yet. We discuss the symmetries of quenched &CD, paying careful attention to non-perturbative issues. This allows us to derive an effective lagrangian which agrees with standard quenched chiral perturbation theory, but which can also be used to address questions of a non-perturbative nature.

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