Glueballs, gluon condensate, and pure glue QCD below Tc

[en] A quasiparticle description of pure glue QCD thermodynamics at T < Tc is proposed and compared to recent lattice data. Given that a gas of glueballs with constant mass cannot quantitatively reproduce the early stages of the deconfinement phase transition, the problem is to identify a relevant mechanism leading to the observed sudden increase of the pressure, trace anomaly, etc. near the critical temperature. It is shown that the strong decrease of the gluon condensate at T < Tc combined with the increasing thermal width of the lightest glueballs might be the trigger of the phase transition.

Disciplines :

Physics

Author, co-author :

Buisseret, Fabien ; Université de Mons > Faculté des Sciences > Physique nucléaire et subnucléaire

Language :

English

Title :

Glueballs, gluon condensate, and pure glue QCD below Tc

Publication date :

27 May 2010

Journal title :

European Physical Journal C. Particles and Fields

ISSN :

1434-6044

Publisher :

Springer, Germany

Volume :

Pages :

473-478

Peer reviewed :

Peer Reviewed verified by ORBi

Research unit :

S824 - Physique nucléaire et subnucléaire

Available on ORBi UMONS :

since 21 December 2010

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