# Confinement in the Deconfined Phase: A numerical study with a cluster algorithm

Source: [Confinement in the Deconfined Phase: A numerical study with a cluster algorithm](<https://www.sota2.com/research/paper/68fa24d52c2a3760193a98ba>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T09:35:15.568Z

Authors: K. Holland

Published: 1999-02-22T16:30:38.000Z

## Abstract

We have previously found analytically a very unusual and unexpected form of confinement in SU(3) Yang-Mills theory. This confinement occurs in the deconfined phase of the theory. The free energy of a single static test quark diverges, even though it is contained in deconfined bulk phase and there is no QCD string present. This phenomenon occurs in cylindrical volumes with a certain choice of spatial boundary conditions. We examine numerically an effective model for the Yang-Mills theory and, using a cluster algorithm, we observe this unusual confinement. We also find a new way to determine the interface tension of domain walls separating distinct bulk phases.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/hep-lat/9902027>)

[PDF](<https://arxiv.org/pdf/hep-lat/9902027.pdf>)