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On the spectrum of nonrelativistic AdS/CFT

AuthorsFernández Barbón, José L. ; Fuertes, Carlos A.
Issue Date20-Jun-2008
CitationarXiv:0806.3244v2 [hep-th]
AbstractWe develop a Hamiltonian picture for a family of models of nonrelativistic AdS/CFT duality. The Schrodinger group is realized via the conformal quantum mechanics of De Alfaro, Fubini and Furlan in the holographic direction. We show that most physical requirements, including the introduction of harmonic traps, can be realized with exact AdS metrics, but without any need for exotic matter sectors in the bulk dynamics. This Hamiltonian picture can be used to compare directly with many-body spectra of fermions at unitarity on harmonic traps, thereby providing a direct physical interpretation of the holographic radial coordinate for these systems. Finally, we add some speculations on the dynamical generation of mass gaps in the AdS description, the resulting quasiparticle spectra, and the analog of `deconfining' phase transitions that may occur.
DescriptionSubmitted on 19 Jun 2008 (v1), last revised 20 Jun 2008 (this version, v2).-- 20 pages and 1 figure; typos corrected, references added
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