Isospin diffusion in thermal AdS/CFT with flavor

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dc.creatorErdmenger, Johanna
dc.creatorKaminski, Matthias
dc.creatorRust, Felix
dc.date2007-04-10
dc.date2007-06-15
dc.date.accessioned2026-07-07T10:59:29Z
dc.date.available2026-07-07T10:59:29Z
dc.descriptionWe study the gauge/gravity dual of a finite temperature field theory at finite isospin chemical potential by considering a probe of two coincident D7-branes embedded in the AdS-Schwarzschild black hole background. The isospin chemical potential is obtained by giving a vev to the time component of the non-Abelian gauge field on the brane. The fluctuations of the non-Abelian gauge field on the brane are dual to the SU(2) flavor current in the field theory. For the embedding corresponding to vanishing quark mass, we calculate all Green functions corresponding to the components of the flavor current correlator. We discuss the physical properties of these Green functions, which go beyond linear response theory. In particular, we show that the isospin chemical potential leads to a frequency-dependent isospin diffusion coefficient.
dc.description26 pages, 8 figures, typos corrected
dc.identifierhttps://arxiv.org/abs/0704.1290
dc.identifierhttp://arxiv.org/abs/0704.1290
dc.identifierPhys.Rev.D76:046001,2007
dc.identifierdoi:10.1103/PhysRevD.76.046001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/187417
dc.subjectHigh Energy Physics - Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleIsospin diffusion in thermal AdS/CFT with flavor
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