Flavor superconductivity from gauge/gravity duality

dc.contributor.authorAmmon, Martin
dc.contributor.authorErdmenger, Johanna
dc.contributor.authorKerner, Patrick
dc.contributor.authorKaminski, Matthias
dc.contributor.otherMax Planck Society
dc.contributor.otherAutonomous University of Madrid
dc.contributor.otherConsejo Superior de Investigaciones Cientificas (CSIC)
dc.contributor.otherCSIC - UAM - Institut de Fisica Teorica (IFT)
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.date.accessioned2018-09-07T18:46:41Z
dc.date.available2018-09-07T18:46:41Z
dc.date.issued2009-10-26
dc.description.abstractWe give a detailed account and extensions of a holographic flavor superconductivity model which we have proposed recently. The model has an explicit field theory realization as strongly coupled N = 2 Super Yang-Mills theory with fundamental matter at finite temperature and finite isospin chemical potential. Using gauge/gravity duality, i.e. a probe of two flavor D7-branes in the AdS black hole background, we show that the system undergoes a second order phase transition with critical exponent 1/2. The new ground state may be interpreted as rho meson superfluid. It shows signatures known from superconductivity, such as an infinite dc conductivity and a gap in the frequency-dependent conductivity. We present a stringy picture of the condensation mechanism in terms of a recombination of strings. We give a detailed account of the evaluation of the non-Abelian Dirac-Born-Infeld action involved using two different methods. Finally we also consider the case of massive flavors and discuss the holographic Meissner-Ochsenfeld effect in our scenario.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.citationAmmon, M., Erdmenger, J., Kerner, P., Kaminski, M. (2009): Flavor Superconductivity from Gauge/Gravity Duality, Journal of High Energy Physics. http://dx.doi.org/10.1088/1126- 6708/2009/10/067
dc.identifier.doi10.1088/1126-6708/2009/10/067
dc.identifier.orcidhttps://orcid.org/0000-0002-0261-6031
dc.identifier.urihttp://ir.ua.edu/handle/123456789/3823
dc.languageEnglish
dc.language.isoen_US
dc.publisherSpringer
dc.rights.licenseAttribution 4.0 International (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectGauge-gravity correspondence
dc.subjectD-branes
dc.subjectBlack Holes
dc.subjectFINITE
dc.subjectDENSITY
dc.subjectQCD
dc.subjectPhysics, Particles & Fields
dc.subjectPhysics
dc.titleFlavor superconductivity from gauge/gravity dualityen_US
dc.typetext
dc.typeArticle
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