We discuss the advantages of using the momentum space lattice method for studying the phase diagram of quenched QED(4). Preliminary results of a numerical simulation are presented. They indicate that the method avoids the contamination by 4-fermi interactions which plagues the conventional position space non-compact formulation.
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Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, JapanUniv Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
Ishizuka, Hiroaki
Hayata, Tomoya
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Chuo Univ, Dept Phys, Bunkyo Ku, 1-13-27 Kasuga, Tokyo 1128551, JapanUniv Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
Hayata, Tomoya
Ueda, Masahito
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Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
RIKEN, Ctr Emergent Matter Sci CEMS, Wako, Saitama 3510198, JapanUniv Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan