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



ID: 544144.0, MPI für Physik / MPI für Physik
Scalar effective potential for D7 brane probes which break chiral symmetry
Authors:Apreda, Riccardo; Erdmenger, Johanna; Evans, Nick
Date of Publication (YYYY-MM-DD):2006
Title of Journal:Journal of High Energy Physics
Journal Abbrev.:JHEP
Issue / Number:05
Start Page:11
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:We consider D7 brane probes embedded in deformed AdS5 x S5 supergravity backgrounds which are non-supersymmetric in the interior. In the context of the generalised AdS/CFT correspondence, these setups are dual to QCD-like theories with fundamental matter which display chiral symmetry breaking by a quark condensate. Evaluating the D7 action for a surface instanton configuration gives rise to an effective potential for the scalar Higgs vev in the dual field theory. We calculate this potential for two specific supergravity backgrounds. For a metric due to Constable and Myers, we find that the potential is asymptotically bounded by a 1/Q^4 behaviour and has a minimum at zero vev. For the Yang-Mills* background we find that the Higgs potential scales quadratically with the Higgs vev. This corresponds to a canonical mass term and the embedding is again stable.
Classification / Thesaurus:Field Theory
Comment of the Author/Creator:13 pages, 2 figures, calculation for the Constable-Myers geometry revised
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2005-110
URL:http://www.slac.stanford.edu/spires/find/hep/www?r...
URL:http://arXiv.org/abs/hep-th/0509219
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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