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  • Letter
  • Open Access

Correlating confinement to topological fluctuations near the crossover transition in QCD

Rasmus N. Larsen1,*, Sayantan Sharma2,†, and Edward Shuryak3,‡

  • 1University of Stavanger, Stavanger 4021, Norway
  • 2The Institute of Mathematical Sciences, A CI of Homi Bhabha National Institute, Chennai 600113, India
  • 3Physics Department, Stony Brook University, Stony Brook, New York 11794, USA

  • *rasmus.n.larsen@uis.no
  • †sayantans@imsc.res.in
  • ‡edward.shuryak@stonybrook.edu
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Phys. Rev. D 105, L071501 – Published 20 April, 2022

DOI: https://doi.org/10.1103/PhysRevD.105.L071501

Abstract

We show the existence of strong (anti)correlations between the topological hot spots and the local values of the trace of the Polyakov loop in 2+1 flavor QCD with physical quark mass, in the vicinity of the crossover transition corresponding to the simultaneous restoration of chiral symmetry and deconfinement. Using sophisticated lattice techniques, we have carefully identified the topological hot spots using quark zero modes and measured the short-distance fluctuations of the Polyakov loop about them, showing how the latter is repelled quite strongly around the peak of the zero modes. Though we could explain some aspects of these correlations within the instanton-dyon picture, our work sets the stage for a larger goal towards a systematic study of the role of different topological species that interact with the Polyakov loop, establishing the strong connection between topology and confinement.

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Information

Phys. Rev. D 105, L071501– Published 20 April, 2022
  • Received 17 January 2022
  • Accepted 28 March 2022
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