Geometry and topology of bubble solutions from gauge theory

Abstract

We study how geometrical and topological aspects of certain 1/2 BPS type IIB supergravity solutions are captured by the N=4 Super Yang-Mills gauge theory in the AdS/CFT context. The type IIB solutions are completely characterized by arbitrary droplets in a plane and we consider, in particular, concentric droplets. We probe the dual 1/2 BPS operators of the gauge theory with single traces and extract their one-loop anomalous dimensions. The action of the one-loop dilatation operator can be reformulated as the Hamiltonian of a bosonic lattice. The operators defining the Hamiltonian encode the topology of the droplet. The axial symmetry of the droplets turns out to be essential for obtaining the spectrum of the Hamiltonians. In appropriate BMN limits, the near-BPS spectrum reproduces the spectrum of near-BPS string excitations propagating along each individual edge of the droplet of the dual geometric background. We also study semiclassical regimes for the Hamiltonians. We show that for droplets having disconnected constituents, the Hamiltonian admits different complimentary semiclassical descriptions, each one replicating the semiclassical description for closed strings extending in each of the constituents.

21 pages, 2 figures. v2: references added, typos corrected

References in corpus (7)

• Giant Magnons
• Magnon Bound States and the AdS/CFT Correspondence
• A study of open strings ending on giant gravitons, spin chains and integrability
• Dilatation operator and the Super Yang-Mills duals of open strings on AdS Giant Gravitons
• Correlators, Probabilities and Topologies in N=4 SYM
• Reconstructing 1/2 BPS Space-Time Metrics from Matrix Models and Spin Chains
• On Classification Of The Bubbling Geometries

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