QCD simulations at small chemical potential
Ph. de Forcrand, S. Kim, T. Takaishi
Abstract
Within the reweighting approach, one has the freedom to choose the Monte Carlo action so that it provides a good overlap with the finite-μmeasure but remains simple to simulate. We explore several choices of action in the regime of small μ. Simulating with a finite isospin chemical potential μI=μgives a better overlap than the standard choice μ=0, with no computational overhead.
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