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Recent progress in understanding deconfinement and chiral symmetry breaking transitions

Prof. Edward Shuryak (Stony Brook University)

22 Giugno 2016 @ 11:00 - 12:00

While the crucial role of gauge topology was recognized from 1970’s, confinement was associated with monopoles and chiral symmetry breaking with instantons. Recognizing presence of non-zero holonomy, van Baal and others discovered splitting of the instantons into their constituents — the instanton-dyons. Several groups now work out properties of their ensembles, which generate both the deconfinement and chiral phase transitions in QCD-like theories. Introducing variable phases for quark periodicity conditions — known as flavor holonomies — one can switch fermion coupling to different dyons, and thus dramatically change both the order and temperature of both transitions. First lattice studies of modified — so called $Z_N$-symmetric QCD — have also found these effects.


22 Giugno 2016
11:00 - 12:00
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