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arXiv:0809.5227v1[hep-lat]30Sep2008 Stochastic quantization at nonzero chemical

Summary: arXiv:0809.5227v1[hep-lat]30Sep2008
Stochastic quantization at nonzero chemical
Gert Aarts
Department of Physics, Swansea University, Swansea, United Kingdom
E-mail: g.aarts@swan.ac.uk
Ion-Olimpiu Stamatescu
Institut für Theoretische Physik, Universität Heidelberg and FEST, Heidelberg, Germany
E-mail: I.O.Stamatescu@thphys.uni-heidelberg.de
Lattice QCD at finite chemical potential is difficult due to the sign problem. We use stochastic
quantization and complex Langevin dynamics to study this issue. First results for QCD in the
hopping expansion are encouraging. U(1) and SU(3) one link models are used to gain further
insight into why the method appears to be successful.
The XXVI International Symposium on Lattice Field Theory
July 14-19 2008
Williamsburg, Virginia, USA
c Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence. http://pos.sissa.it/
Stochastic quantization at nonzero chemical potential Gert Aarts
1. Introduction


Source: Aarts, Gert - Department of Physics, University of Wales Swansea


Collections: Physics