The QCD Phase Diagram with Effective Theories
High Energy Physics - Lattice
2012-08-07 v1
Abstract
We study two effective theories for QCD at non-zero temperature and finite chemical potential, using local Polyakov loops as the degrees of freedom. The sign problem is solved by exactly mapping the partition function to a sum over flux and monomer variables with only real and positive weights, making the two models accessible to Monte Carlo simulation techniques. We use generalized worm algorithms and a local Metropolis update to perform the simulations and determine the phase diagram as a function of the temperature and the chemical potential.
Keywords
Cite
@article{arxiv.1111.0916,
title = {The QCD Phase Diagram with Effective Theories},
author = {Ydalia Delgado and Hans Gerd Evertz and Christof Gattringer and Daniel Göschl},
journal= {arXiv preprint arXiv:1111.0916},
year = {2012}
}
Comments
7 pages, 3 figures. Talk presented at The XXIX International Symposium on Lattice Field Theory - Lattice 2011, Squaw Valley, Lake Tahoe, California, July 10-16, 2011