Instanton molecules at high temperature - the Georgi-Glashow model and beyond

Date

2001-03-01

Author

Kogan, II
Tekin, Bayram
Kovner, A

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We show that correlators of some local operators in gauge theories are sensitive to the presence of the instantons even at high temperature where the latter are bound into instanton-anti-instanton "molecules". We calculate correlation functions of such operators in the deconfined phase of the 2+1 dimensional Georgi-Glashow model and discuss analogous quantities in the chirally symmetric phase of QCD. We clarify the mechanism by which the instanton-anti-instanton molecules contribute to the anomaly of axial U(1) at high temperature.

Subject Keywords

Nonperturbative effects, Solitons monopoles and instantons, Confinement, QCD

URI

https://hdl.handle.net/11511/55080

Collections

Department of Physics, Article