PoS - Proceedings of Science
Volume 396 - The 38th International Symposium on Lattice Field Theory (LATTICE2021) - Oral presentation
Semiclassical ensembles of instanton-dyons describe the deconfinement and chiral phase transitions, in the usual and deformed QCD
E. Shuryak
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Pre-published on: May 16, 2022
Published on:
Abstract
Instanton-dyons are topological solutions of YM equations at finite temperatures.
Their semiclassical ensembles were studied by a number of methods, including
direct Monte-Carlo simulation, for SU(2) and SU(3) theories, with and without fermions.
We present these results and compare them with those from lattice studies. We also
consider two types of QCD deformations. One is by adding operators with powers of
the Polyakov line, affecting deconfinement. Another is changing quark periodicity condition, affecting the chiral transition. Another paper is using inverse direction,
from lattice configurations (with realistic quark masses) looking at zero and near-zero
Dirac modes. It turned out that those revealing the shape of the modes,
In excellent agreement with analytic instanton-dyon theory. Summarizing both we
conclude that QCD phase transitions are well described in terms of such semiclassical objects.
DOI: https://doi.org/10.22323/1.396.0206
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