Many flavor QCD as exploration of the walking behavior with the approximate IR fixed point
Abstract
We present the first report of the LatKMI collaboration on the the lattice QCD simulation performed at the KMI computer, "", for the cases of 4 flavors and 8 flavors, the latter being expected to be a candidate for the walking technicolor having an approximate scale invariance near the infrared fixed point. The simulation was carried out based on the highly improved staggered quark (HISQ) action. In this proceedings, we report preliminary results on the spectrum, analyzed through the chiral perturbation theory and the finite-size hyperscaling. We observe qualitatively different behavior of the 8-flavor case in contrast to the 4-flavor case which shows clear indication of the hadronic phase as in the usual QCD.
Keywords
Cite
@article{arxiv.1202.4712,
title = {Many flavor QCD as exploration of the walking behavior with the approximate IR fixed point},
author = {Yasumichi Aoki and Tatsumi Aoyama and Masafumi Kurachi and Toshihide Maskawa and Kei-ichi Nagai and Hiroshi Ohki and Akihiro Shibata and Koichi Yamawaki and Takeshi Yamazaki},
journal= {arXiv preprint arXiv:1202.4712},
year = {2012}
}
Comments
7 pages, Talk presented at the XXIX International Symposium on Lattice Field Theory - Lattice 2011, July 10-16, 2011, Squaw Valley, Lake Tahoe, California