# Simulation of Scalar Field Theories with Complex Actions

@inproceedings{Medina2017SimulationOS,
title={Simulation of Scalar Field Theories with Complex Actions},
author={Leandro Medina and Michael C. Ogilvie},
year={2017}
}
We develop a method for the simulation of scalar field theories with complex actions which is local, simple to implement and can be used in any number of space-time dimensions. For model systems satisfying the $\mathcal{PT}$ symmetry condition $L^{*}(\phi)=L(-\phi)$, the complex weight problem is reduced to a sign problem. The sign problem is eliminated completely for a large subclass of these models; this class includes models within the $i\phi^{3}$ universality class, and also models with… CONTINUE READING
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