String effects and the distribution of the glue in mesons at finite temperature
A. S. Bakry, D. B. Leinweber, P. J. Moran, A. Sternbeck, A. G., Williams
TL;DR
This study examines how the gluon action density in mesons changes at finite temperature, revealing shape and flux-tube profile modifications consistent with string theory predictions.
Contribution
It provides new insights into the shape and flux-tube profiles of mesons at finite temperature, supported by lattice QCD simulations.
Findings
Gluonic profiles at finite temperature are prolate-spheroid shaped.
Flux-tube width profiles align with free Bosonic string model predictions.
Action density distributions differ from zero-temperature profiles.
Abstract
The distribution of the gluon action density in mesonic systems is investigated at finite temperature. The simulations are performed in quenched QCD for two temperatures below the deconfinment phase. Unlike the gluonic profiles displayed at T=0, the action density iso-surfaces display a prolate-spheroid like shape. The curved width profile of the flux-tube is found to be consistent with the prediction of the free Bosonic string model at large distances.
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