Topological susceptibility in Yang-Mills theory in the vacuum correlator method
M.N. Chernodub, I.E. Kozlov
TL;DR
This paper calculates the topological susceptibility of the Yang-Mills vacuum using the field correlator method, achieving results consistent with recent lattice simulations, thus providing a semi-analytical approach to a key non-perturbative quantity.
Contribution
It introduces the field correlator method to compute the topological susceptibility in Yang-Mills theory, offering an alternative to lattice simulations.
Findings
Estimated hi^{1/4} = 196(7) MeV for SU(3) gauge group
Results agree well with recent lattice simulation data
Provides a semi-analytical approach to non-perturbative QCD phenomena
Abstract
We calculate the topological susceptibility of the Yang-Mills vacuum using the field correlator method. Our estimate for the SU(3) gauge group, \chi^{1/4} = 196(7) MeV, is in a very good agreement with the results of recent numerical simulations of the Yang-Mills theory on the lattice.
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