Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2005-10-13
PoS LAT2005 (2005) 016
Physics
High Energy Physics
High Energy Physics - Lattice
30 pages, plenary talk presented at the XXIIIrd International Symposium on Lattice Field Theory, 25-30 July 2005, Trinity Coll
Scientific paper
I review recent developments in determining the QCD phase diagram by means of lattice simulations. Since the invention of methods to side-step the sign problem a few years ago, a number of additional variants have been proposed, and progress has been made towards understanding some of the systematics involved. All available techniques agree on the transition temperature as a function of density in the regime \mu_q/T < 1. There are by now four calculations with signals for a critical point, two of them at similar parameter values and with consistent results. However, it also emerges that the location of the critical point is exceedingly quark mass sensitive. At the same time sizeable finite volume, cut-off and step size effects have been uncovered, demanding additional investigations with exact algorithms on larger and finer lattices before quantitative conclusions can be drawn. Depending on the sign of these corrections, there is ample room for the eventual phase diagram to look as expected or also quite different, with no critical point at all.
No associations
LandOfFree
The QCD phase diagram at zero and small baryon density does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with The QCD phase diagram at zero and small baryon density, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The QCD phase diagram at zero and small baryon density will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-469927