Complex Langevin: Boundary terms and application to QCD
May 29, 2019
We employ the Complex Langevin method for simulation of complex-valued actions. First, we show how to test for convergence of the method by explicitly computing boundary terms and demonstrate this in a model. Then we investigate the deconfinement phase transition of QCD with $N_f=2$ Wilson-fermions using the Complex Langevin Method. We determine the transition temperatures up to $\mu/T_c(\mu=0)\approx 5$ and compute the curvature coefficient $\kappa_2$.
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