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Advances in High Energy Physics
Volume 2013 (2013), Article ID 875612, 24 pages
Review Article

Higgs-Yukawa Model in Chirally Invariant Lattice Field Theory

1CERN, Physics Department, 1211 Geneva, Switzerland
2Institüt für Physik, Humboldt-Universität zu Berlin, 12489 Berlin, Germany
3NIC, DESY, Platanenallee 6, 15738 Zeuthen, Germany
4Department of Physics, National Taiwan University, Taipei 10617, Taiwan
5Institute of Physics, National Chiao Tung University, Hsinchu 300, Taiwan
6Division of Physics, National Centre for Theoretical Sciences, Hsinchu 300, Taiwan
7Kobayashi-Maskawa Institute, Nagoya University, Nagoya, Aichi 464-8602, Japan
8Department of Physics, Chung Yuan Christian University, Chung Li 32023, Taiwan

Received 22 June 2012; Accepted 1 February 2013

Academic Editor: George Wei-Shu Hou

Copyright © 2013 John Bulava et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Nonperturbative numerical lattice studies of the Higgs-Yukawa sector of the standard model with exact chiral symmetry are reviewed. In particular, we discuss bounds on the Higgs boson mass at the standard model top quark mass and in the presence of heavy fermions. We present a comprehensive study of the phase structure of the theory at weak and very strong values of the Yukawa coupling as well as at nonzero temperature.