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Bulk and finite- temperature transitions in SU(3) gauge theories with many light fermions

descriptionPublicationkeyboard_double_arrow_right Conference object , Article , Preprint , Other literature type 20 Dec 2012Embargo end date: 01 Jan 2012Publisher:Sissa MedialabJournal:Proceedings of The 30th International Symposium on Lattice Field Theory — PoS(Lattice 2012)Funded by:NSF | XSEDE: eXtreme Science an...

Authors: Anqi Cheng; David Schaich; Anna Hasenfratz; Gregory Petropoulos;

doi: 10.22323/1.164.0028 , 10.48550/arxiv.1207.7164

arXiv: http://arxiv.org/abs/1207.7164 , 1207.7164

Bulk and finite- temperature transitions in SU(3) gauge theories with many light fermions

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Abstract

We investigate finite-temperature transitions in SU(3) lattice gauge theories with Nf=8 and 12 staggered fermions in the fundamental representation. For both of these systems, we have observed a strongly-coupled lattice phase in which the single-site shift symmetry of the staggered action is spontaneously broken. Here we report new results for finite-temperature transitions on 24^3x12 and 32^3x16 lattice volumes, contrasting the 8- and 12-flavor systems. While the Nf=12 finite-temperature transitions accumulate at the bulk transition bounding the strongly-coupled lattice phase, the Nf=8 finite-temperature transitions are able to pass through the bulk transition, and behave as expected for a QCD-like system. We discuss our current results and the work in progress to complete our investigation of the finite-temperature phase diagram.

Contribution to the proceedings of Lattice 2012, June 24-29, Cairns, Australia. 7 pages

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Keywords

High Energy Physics - Lattice, High Energy Physics - Lattice (hep-lat), FOS: Physical sciences

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