Magnetic Monopoles as Agents of Chiral Symmetry Breaking in U(1) Lattice Gauge Theory
Bielefeld, Tom · Hands, Simon · Stack, John D. · Wensley, Roy J.
Original · EN
We present results suggesting that magnetic monopoles can account for chiral symmetry breaking in abelian gauge theory. Full U(1) configurations from a lattice simulation are factorized into magnetic monopole and photon contributions. The expectation <psibarpsi> is computed using the monopole configurations and compared to results for the full U(1) configurations. It is shown that excellent agreement between the two values of <psibarpsi> is obtained if the effect of photons, which "dress" the composite operator psibarpsi, is included. This can be estimated independently by measurements of the physical fermion mass in the photon background.
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