Getting even with CLE
Gert Aarts, Kirill Boguslavski, Manuel Scherzer, Erhard, Seiler, D\'enes Sexty, Ion-Olimpiu Stamatescu
TL;DR
This paper discusses the conditions, procedures, and systematic errors involved in applying the Complex Langevin method for simulating lattice models with complex actions, highlighting recent achievements and challenges.
Contribution
It provides a detailed analysis of how to satisfy the conditions for the Complex Langevin method and estimates systematic errors, advancing its reliable application.
Findings
Procedures to meet the CL method conditions
Estimation of systematic errors in CL simulations
Recent achievements in applying CL to lattice models
Abstract
In the landscape of approaches toward the simulation of Lattice Models with complex action the Complex Langevin (CL) appears as a straightforward method with a simple, well defined setup. Its applicability, however, is controlled by certain specific conditions which are not always satisfied. We here discuss the procedures to meet these conditions and the estimation of systematic errors and present some actual achievements.
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