Real-time gauge theory simulations from stochastic quantization with optimized updating

TL;DR

This paper presents an improved stochastic quantization method for real-time gauge theory simulations on Minkowskian lattices, enhancing stability and enabling larger lattice computations.

Contribution

It introduces optimized updating techniques via stochastic reweighting and gauge fixing that improve simulation stability without altering the underlying theory.

Findings

Enhanced stability of stochastic dynamics in gauge theory simulations

Ability to perform larger real-time lattice simulations

Effective use of stochastic reweighting and gauge fixing

Abstract

We investigate simulations for gauge theories on a Minkowskian space-time lattice. We employ stochastic quantization with optimized updating using stochastic reweighting or gauge fixing, respectively. These procedures do not affect the underlying theory but strongly improve the stability properties of the stochastic dynamics, such that simulations on larger real-time lattices can be performed.