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SUMMARY:Perturbative dynamics of massive gluons and chiral symmetry breaki
ng
DTSTART;VALUE=DATE-TIME:20180629T153000Z
DTEND;VALUE=DATE-TIME:20180629T160000Z
DTSTAMP;VALUE=DATE-TIME:20240415T054519Z
UID:indico-contribution-134@indico.ice.csic.es
DESCRIPTION:Speakers: Julien Serreau (Université Paris Diderot)\nLattice
simulations of Yang-Mills theories and QCD in the Landau gauge demonstrate
\n\nthat the gluon propagator saturates at vanishing momentum. This can\n
\nbe modelled by a massive deformation of the corresponding Faddeev-Popov\
n\nLagrangian known as the Curci-Ferrari model. The latter does not modify
the known\n\nultraviolet regime of the theory and provides a successful p
erturbative description of\n\nessential aspects of the non-Abelian dynamic
s in the infrared regime\, where\, in\n\nparticular\, the coupling remains
finite\, as also seen in lattice simulations. This opens\n\nthe possibili
ty of a controlled (semi)perturbative description of various aspects of th
e\n\ninfrared QCD dynamics\, including correlation functions and the decon
finement phase \n\ntransition at finite temperature and density. I present
recent progress concerning the \n\ndescription of chiral symmetry breakin
g in this context.\n\nhttps://indico.ice.csic.es/event/6/contributions/134
/
LOCATION:Barcelona Beta
URL:https://indico.ice.csic.es/event/6/contributions/134/
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