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Phys. Rev. D 74, 085028 (2006) [16 pages]

Chiral lattice gauge theories from warped domain walls and Ginsparg-Wilson fermions

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Tanmoy Bhattacharya* and Matthew R Martin
T-8, Mississippi B285, USALos Alamos National Laboratory, Los Alamos, New Mexico 87545 USA

Erich Poppitz
Department of Physics, University of Toronto, Toronto, ON M5S 1A7 Canada

Received 9 August 2006; published 30 October 2006

We propose a construction of a 2-dimensional lattice chiral gauge theory. The construction may be viewed as a particular limit of an infinite warped 3-dimensional theory. We also present a “single-site” construction using Ginsparg-Wilson fermions which may avoid, in both 2 and 4 dimensions, the problems of waveguide-Yukawa models.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.74.085028
DOI:
10.1103/PhysRevD.74.085028
PACS:
11.15.Ha, 04.62.+v, 11.30.Rd

*Electronic address: tanmoy@lanl.gov

Electronic address: mrmartin@lanl.gov

Electronic address: poppitz@physics.utoronto.ca