D=5 Simple Supergravity on AdS_2 \times S^3
Akira Fujii, Ryuji Kemmoku (KEK-Tanashi)
TL;DR
This paper analyzes the spectrum of D=5 simple supergravity compactified on S^3, revealing a maximally supersymmetric background with a structured fluctuation spectrum related to AdS_2×S^3 geometry.
Contribution
It provides a detailed classification of the Kaluza-Klein spectrum on AdS_2×S^3, extending understanding of supergravity compactifications with maximal supersymmetry.
Findings
Spectrum classified by SU(1,1|2)×SU(2) symmetry
Background preserves maximal supersymmetry
Similar structure to AdS_3×S^2 compactification
Abstract
The Kaluza-Klein spectrum of D=5 simple supergravity compactified on S^3 is studied. A classical background solution which preserves maximal supersymmetry is fulfilled by the geometry of AdS_2\times S^3. The physical spectrum of the fluctuations is classified according to SU(1,1|2)\times SU(2) symmetry, which has a very similar structure to that in the case of compactification on AdS_3\times S^2.
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