CFT description of small objects in AdS | Zendy

Gary T. Horowitz | Zendy; Veronika E. Hubeny | Zendy

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CFT description of small objects in AdS

Author(s) -

Gary T. Horowitz,

Veronika E. Hubeny

Publication year - 2000

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2000/10/027

Subject(s) - graviton , multipole expansion , supergravity , physics , value (mathematics) , theoretical physics , mathematical physics , classical mechanics , statistics , mathematics , gravitation , quantum mechanics , supersymmetry

By the AdS/CFT correspondence, the expectation value of certain localoperators in the CFT is given by the asymptotic value of supergravity fields.We show that these local expectation values contain a remarkable amount ofinformation about small sources deep inside AdS_p x S^q. In particular, theycontain essentially all the multipole moments. More importantly, one can usethem to determine the size of a spherical source. This is not a small effect:The size appears in an exponentially large contribution to the expectationvalues. This provides an easy way for the CFT to distinguish stars from blackholes with the same mass, or to distinguish different "giant graviton"configurations.Comment: 26 pages, 9 figure

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