Chris Allton (Swansea): Some like it hot: breaking the strong interaction
Автор: Sydney CPPC
Загружено: 2024-10-28
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Sydney CPPC Seminar 28th October 2024
The strong interaction, QCD, has a rich phase structure, much of which is not fully understood. At low temperatures and densities, the interaction has a linearly rising potential and the familiar confining properties where quarks are bound into hadrons. At temperatures above 156 MeV, QCD exists as a weakly interacting “quark gluon plasma” where hadrons typically are no longer bound. The plasma phase existed briefly in the very early Universe, and can be reproduced in heavy-ion collision experiments in CERN and the Brookhaven Laboratory.
This talk will review studies of the QCD phase structure using lattice gauge theory. I will present recent work with the Adelaide group on centre vortices - topological structures which can give hints about the confinement mechanism. Analyses of the hadronic spectrum from our FASTSUM lattice collaboration in both the confined and plasma phase will be summarised.
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