On the spectrum of nonrelativistic AdS/CFT

Details On the spectrum of nonrelativistic AdS/CFT On the spectrum of nonrelativistic AdS/CFT

2008-06-19

arxiv.org/abs/0806.3244v3

JHEP 0809:030,2008

Physics

High Energy Physics

High Energy Physics - Theory

20 pages and 1 figure; typos corrected, references added; references added, minor changes matching published version

Scientific paper

10.1088/1126-6708/2008/09/030

We 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.

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