TY - JOUR
T1 - Confining force and running coupling with twelve fundamental and two sextet fermions
AU - Fodor, Zoltn
AU - Holland, Kieran
AU - Kuti, Julius
AU - Nagradi, Daniel
AU - Schroeder, Chris
AU - Wong, Chik Him
N1 - Funding Information:
We acknowledge support by the DOE under grant DE-FG02-90ER40546, by the NSF under grants 0704171 and 0970137, by the EU Framework Programme 7 grant (FP7/2007-2013)/ERC No 208740, and by the Deutsche Forschungsgemeinschaft grant SFB-TR 55. Computational resources were provided by USQCD at Fermilab and JLab, at the UCSD GPU cluster funded by DOE ARRA Award ER40546, by the NSF grant OCI-1053575 at the Extreme Science and Engineering Discovery Environment (XSEDE), and at the University of Wuppertal. KH wishes to thank the Institute for Theoretical Physics and the Albert Einstein Center at Bern University for their support, and KH and JK wish to thank the Galileo Galilei Institute for Theoretical Physics and INFN for their hospitality and support at the workshop "New Frontiers in Lattice Gauge Theories".
PY - 2012
Y1 - 2012
N2 - We investigate two models of much recent interest in lattice Beyond Standard Model studies: Nf=2 fermions in the 2-index symmetric (sextet) representation, and Nf=12 fermions in the fundamental representation, both with SU(3) gauge symmetry. We present results at fixed lattice spacing for the static fermion potential and force as measured via lattice simulations. We show indications that both models are confining in the chiral limit and that neither theory is conformal. This is consistent with our findings for the mass spectrum, which indicate that chiral symmetry is spontaneously broken in both theories.
AB - We investigate two models of much recent interest in lattice Beyond Standard Model studies: Nf=2 fermions in the 2-index symmetric (sextet) representation, and Nf=12 fermions in the fundamental representation, both with SU(3) gauge symmetry. We present results at fixed lattice spacing for the static fermion potential and force as measured via lattice simulations. We show indications that both models are confining in the chiral limit and that neither theory is conformal. This is consistent with our findings for the mass spectrum, which indicate that chiral symmetry is spontaneously broken in both theories.
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M3 - Conference article
AN - SCOPUS:85030121745
SN - 1824-8039
VL - Part F130497
JO - Proceedings of Science
JF - Proceedings of Science
M1 - 025
T2 - 30th International Symposium on Lattice Field Theory, Lattice 2012
Y2 - 24 June 2012 through 29 June 2012
ER -