TL;DR
This paper reviews the complex structure of the QCD vacuum, focusing on instantons and center vortices, to better understand non-perturbative phenomena in quantum chromodynamics.
Contribution
It provides a comprehensive review of the latest results on instantons and center vortices in the QCD vacuum, highlighting their roles in non-perturbative QCD.
Findings
Instantons contribute to chiral symmetry breaking.
Center vortices are linked to confinement.
The interplay between instantons and vortices influences QCD vacuum properties.
Abstract
Several issues related to the structure of the QCD vacuum are reviewed. We concentrate mostly on results concerning instantons and center vortices.
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