Effective model for pure Yang-Mills theory on $\mathbb{T}^2\times \mathbb{R}^2$ with Polyakov loops

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Contribution

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Abstract

We investigate the phase diagram and thermodynamics of $SU(N)$ pure Yang-Mills theory on a manifold $\mathbb{T}^2\times \mathbb{R}^2$ with an effective model that includes two Polyakov loops along two compactified directions. We find that a rich phase structure can appear owing to the spontaneous breaking of two center symmetries for $N=2$ and $3$. Thermodynamic quantities are obtained in the model and compared with recent lattice results. It is shown that two Polyakov loops play significant roles in thermodynamics on $\mathbb{T}^2\times \mathbb{R}^2$.