Phase structure and chiral limit of compact lattice QED with Wilson fermions

Details Phase structure and chiral limit of compact lattice QED with Wilson fermions Phase structure and chiral limit of compact lattice QED with Wilson fermions

1993-12-07

arxiv.org/abs/hep-lat/9312033v1

Nucl.Phys.Proc.Suppl. 34 (1994) 537-539

Physics

High Energy Physics

High Energy Physics - Lattice

TALK GIVEN AT THE LATTICE '93 INTERNATIONAL SYMPOSIUM LATTICE FIELD THEORY, DALLAS, USA, OCTOBER 12--16, 1993 3 pages

Scientific paper

10.1016/0920-5632(94)90439-1

We study the phase structure and chiral limit of $4d$ compact lattice QED with Wilson fermions (both dynamical and quenched). We use the standard Wilson action (WA) and also the modified action (MA) with some lattice artifacts suppressed. We show that lattice artifacts influence the distributions of eigenvalues $~\lambda_i~$ of the fermionic matrix especially for small values of $~\lambda_i~$. Our main conclusion is that the chiral limit of compact QED can be efficiently located using different techniques. Sorry, figures are not included and can be sent by ordinary mail or Fax.

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