Instanton size distributions from calibrated cooling

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Using an under-relaxed cooling algorithm we investigated the vacuum in the 2d O(3) model and 4d pure gauge SU(2). We calibrated the amount of cooling performed to have similar physical effect at different lattice spacings.

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Talk given by PSS. Work carried out as part of the EC Programme “Human Capital and Mobility”—project number ERB-CHRX-CT92-0051.

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