Volume 466 - The 41st International Symposium on Lattice Field Theory (LATTICE2024) - Vacuum Structure and Confinement
Effective string description of the reconfined phase in the trace deformed SU(2) Yang-Mills theory in (2+1) dimensions.
C. Bonati, M. Caselle*, A. Negro, D. Panfalone and L. Verzichelli
*: corresponding author
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Pre-published on: January 28, 2025
Published on: —
Abstract
We study the behaviour of the flux tube in the reconfined phase of the trace deformed SU(2) Yang-Mills theory in (2 + 1) dimensions. In this phase the Polyakov loop has a vanishing expectation value (and center symmetry is recovered) even at high temperatures. We study, by means of numerical simulations, the confining potential between two Polyakov loops. We show that its behaviour is very different from that of usual confining gauge models and shows a remarkable
agreement with the predictions of the so called "rigid string" in the limit in which the rigidity term (i.e. a term proportional to the square of the extrinsic curvature of the string) is very large and is
the dominant contribution in the action.
DOI: https://doi.org/10.22323/1.466.0394
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