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VOLUME 90 (2009) | ISSUE 2 | PAGE 93
Nonlocal field correlators on the lattice in HP1 σ-model
PACS: 11.15.Ha, 12.38.Aw
Abstract
Connected two-point field strength correlators have been measured on the lattice in quaternionic projective σ-model of pure SU(2) Yang-Mills theory. The correlation lengths, extracted from the exponential fit for these correlators, are found to be λ1-1 = 1.40(3) GeV and λ-1 =1.51(3) GeV in good agreement with other existing calculations. The dependence of bilocal functions on the connector shape was studied.