Trace Anomaly and dimension two gluon condensate above the phase transition
Abstract
The dimension two gluon condensate has been used previously within a simple phenomenological model to describe power corrections from available lattice data for the renormalized Polyakov loop and the heavy quark-antiquark free energy in the deconfined phase of QCD (hep-ph/0505215,hep-ph/0702055). The QCD trace anomaly of gluodynamics also shows unequivocal inverse temperature power corrections which may be encoded as dimension two gluon condensate. We analyze lattice data of the trace anomaly and compare with other determinations of the condensate from previous references, yielding roughly similar numerical values.
Cite
@article{arxiv.0805.4579,
title = {Trace Anomaly and dimension two gluon condensate above the phase transition},
author = {E. Megias and E. Ruiz Arriola and L. L. Salcedo},
journal= {arXiv preprint arXiv:0805.4579},
year = {2011}
}
Comments
4 pages, 4 figures. Contribution to the 20th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions: Quark Matter 2008 (QM2008), Jaipur, India, 4-10 Feb 2008