Based on character decomposition, a dual transformation is introduced leading to two formula- tions of the theory which should allow for a removal/softening of the sign problem in the original version. Very preliminar numerical results are commented and remaining problems discussed.
A new approach to the two-dimensional sigma-model with a topological charge
PAPA, Alessandro
2014-01-01
Abstract
Based on character decomposition, a dual transformation is introduced leading to two formula- tions of the theory which should allow for a removal/softening of the sign problem in the original version. Very preliminar numerical results are commented and remaining problems discussed.File in questo prodotto:
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