Bulk-preventing actions for SU(N) gauge theories
Tobias Rindlisbacher, Kari Rummukainen, Ahmed Salami
TL;DR
This paper presents a new family of SU(N) gauge actions that, combined with HMC algorithms, effectively prevent the system from entering an artificial bulk phase, improving simulation stability.
Contribution
Introduction of a one-parameter family of gauge actions that suppress bulk phases in SU(N) gauge theories during simulations.
Findings
Effective bulk phase suppression across different SU(N) groups
Enhanced stability of HMC simulations with the new actions
Potential for improved lattice gauge theory computations
Abstract
We introduce a one-parameter family of SU(N) gauge actions which, when used in combination with an HMC update algorithm, prevent the gauge system from entering an artificial bulk-"phase". We briefly discuss the mechanism behind the bulk-prevention and present test results for different SU(N) gauge groups.
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