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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents



ID: 544697.0, MPI für Physik / MPI für Physik
Strong Coupling Effective Higgs Potential and a First Order Thermal Phase Transition from AdS/CFT Duality
Authors:Apreda, Riccardo; Erdmenger, Johanna; Evans, Nick; Guralnik, Zachary
Date of Publication (YYYY-MM-DD):2005
Title of Journal:Physical Review D
Journal Abbrev.:Phys.Rev.D
Issue / Number:71
Start Page:126002
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:We use AdS/CFT duality to study the thermodynamics of a strongly coupled N=2 supersymmetric large Nc SU(Nc) gauge theory with Nf =2 fundamental hypermultiplets. At finite temperature T and isospin chemical potential mu, a potential on the Higgs branch is generated, corresponding to a potential on the moduli space of instantons in the AdS description. For mu =0, there is a known first order phase transition around a critical temperature Tc. We find that the Higgs VEV is a suitable order parameter for this transition; for T>Tc, the theory is driven to a non-trivial point on the Higgs branch. For non-zero mu and T=0, the Higgs potential is unbounded from below, leading to an instability of the field theory due to Bose-Einstein condensation.
Classification / Thesaurus:Field Theory
Comment of the Author/Creator:23 pages, 5 figures
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2005-21
URL:http://www.slac.stanford.edu/spires/find/hep/www?r...
URL:http://arXiv.org/abs/hep-th/0504151
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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