TL;DR
This paper constructs gauge field ensembles from superimposed instantons or merons to model the confining phase of SU(2) Yang-Mills theory, showing qualitative agreement with known phenomenology and lattice results.
Contribution
It introduces a novel ensemble construction method for gauge fields that captures key confining properties of SU(2) Yang-Mills theory.
Findings
Wilson loop properties match phenomenological expectations
Gluon condensate values are consistent with lattice data
Topological susceptibility aligns with theoretical predictions
Abstract
By superposition of regular gauge instantons or merons, ensembles of gauge fields are constructed which describe the confining phase of SU(2) Yang-Mills theory. Various properties of the Wilson loops, the gluon condensate and the topological susceptibility are found to be in qualitative agreement with phenomenology or results of lattice calculations. Limitations in the application to the glueball spectrum and small size Wilson loops are discussed.
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