We study the properties of low-lying Dirac modes in quenched compact QED at β=0.99, 1.01 and 1.03, employing 123×12 lattices and the overlap formalism for the fermion action. We pay special attention to the spatial distributions of the low-lying Dirac modes. Near-zero modes are found to have universal anti-correlations with monopole currents below/above the critical β. We also study the nearest-neighbor level spacing distribution of Dirac eigenvalues and find a signal of a Wigner-Poisson transition. We make a possible speculation on the chiral phase transition in 4D compact QED.
@article{arxiv.hep-lat/0703023,
title = {Low-lying Dirac eigenmodes and monopoles in 4D compact QED},
author = {Toru T. Takahashi},
journal= {arXiv preprint arXiv:hep-lat/0703023},
year = {2008}
}