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          Institute: MPI für Physik     Collection: YB 2016     Display Documents



ID: 716030.0, MPI für Physik / YB 2016
Simulating QCD at nonzero baryon density to all orders in the hopping parameter expansion
Authors:Aarts, Gert; Seiler, Erhard; Sexty, Denes; Stamatescu, Ion-Olimpiu
Date of Publication (YYYY-MM-DD):2014
Title of Journal:Physical Review D
Journal Abbrev.:Phys.Rev.D
Issue / Number:90
Start Page:114505
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:Progress in simulating QCD at nonzero baryon density requires, amongst others, substantial numerical effort. Here we propose two different expansions to all orders in the hopping parameter, preserving the full Yang-Mills action, which are much cheaper to simulate. We carry out simulations using complex Langevin dynamics, both in the hopping expansions and in the full theory, for two flavours of Wilson fermions, and agreement is seen at sufficiently high order in the expansion. These results provide support for the use of complex Langevin dynamics to study QCD at nonzero density, both in the full and the expanded theory, and for the convergence of the latter.
Classification / Thesaurus:Field Theory
Comment of the Author/Creator:5 pages, 5 figures
External Publication Status:published
Document Type:Article
Communicated by:MPI für Physik
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2014-384
URL:http://inspirehep.net/search?p=find+eprint+1408.37...
URL:http://arXiv.org/abs/arxiv:1408.3770
URL:https://publications.mppmu.mpg.de/?action=search&m...
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