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

2006 ◽  
Author(s):  
Tanmoy Bhattacharya
2010 ◽  
Vol 25 (14) ◽  
pp. 2761-2813 ◽  
Author(s):  
ERICH POPPITZ ◽  
YANWEN SHANG

This is a review of the status and outstanding issues in attempts to construct chiral lattice gauge theories by decoupling the mirror fermions from a vectorlike theory. In the first half, we explain why studying nonperturbative chiral gauge dynamics may be of interest, enumerate the problems that a lattice formulation of chiral gauge theories must overcome, and briefly review our current knowledge. We then discuss the motivation and idea of mirror–fermion decoupling and illustrate the desired features of the decoupling dynamics by a simple solvable toy model. The role of exact chiral symmetries and matching of 't Hooft anomalies on the lattice is also explained. The second, more technical, half of the paper is devoted to a discussion of the known and unknown features of mirror-decoupling dynamics formulated with Ginsparg–Wilson fermions. We end by pointing out possible directions for future studies.


1997 ◽  
Vol 74 (3) ◽  
pp. 541-548 ◽  
Author(s):  
A. Hoferichter ◽  
V.K. Mitrjushkin ◽  
M. Müller-Preussker

2018 ◽  
Vol 3 (3) ◽  
pp. 034010 ◽  
Author(s):  
T V Zache ◽  
F Hebenstreit ◽  
F Jendrzejewski ◽  
M K Oberthaler ◽  
J Berges ◽  
...  

2001 ◽  
Vol 608 (1-2) ◽  
pp. 479-480 ◽  
Author(s):  
C. Christou ◽  
A. Feo ◽  
H. Panagopoulos ◽  
E. Vicari

2018 ◽  
Vol 175 ◽  
pp. 11023
Author(s):  
Luigi Del Debbio ◽  
Francesco Di Renzo ◽  
Gianluca Filaci

We investigate the possibility of using numerical stochastic perturbation theory (NSPT) to probe high orders in the perturbative expansion of lattice gauge theories with massless Wilson fermions. Twisted boundary conditions are used to regularise the gauge zero-mode; the extension of these boundary conditions to include fermions in the fundamental representation requires to introduce a smell degree of freedom. Moreover, the mass of Wilson fermions is affected by an additive renormalisation: we study how to determine the mass counterterms consistently in finite volume. The knowledge of the critical masses will enable high-order perturbative computations in massless QCD, e.g. (as a first application) for the plaquette.


1998 ◽  
Vol 525 (1-2) ◽  
pp. 387-400 ◽  
Author(s):  
C. Christou ◽  
A. Feo ◽  
H. Panagopoulos ◽  
E. Vicari

2011 ◽  
Author(s):  
Hideo Matsufuru ◽  
Yoshio Kikukawa ◽  
Keiichi Nagai ◽  
Norikazu Yamada

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