Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-08-27
Nucl.Phys. B544 (1999) 590-611
Physics
High Energy Physics
High Energy Physics - Theory
27 pages, latex, no figures. Important comments added regarding (1) precise agreement of Hawking radiation rate, (2) the Ramon
Scientific paper
10.1016/S0550-3213(99)00068-1
We present a complete derivation of absorption cross-section and Hawking radiation of minimal and fixed scalars from the Strominger-Vafa model of five-dimensional black hole, starting right from the moduli space of the D1-D5 brane system. We determine the precise coupling of this moduli space to bulk modes by using the AdS/CFT correspondence. Our methods resolve a long-standing problem regarding emission of fixed scalars. We calculate three-point correlators of operators coupling to the minimal scalars from supergravity and from SCFT, and show that both vanish. We make some observations about how the AdS/SYM correspondence implies a close relation between large $N$ equations of motion of $d$-dimensional gauge theory and supergravity equations on $AdS_{d+1}$-type backgrounds. We compare with the explicit nonlocal transform relating 1 and 2 dimensions in the context of $c=1$ matrix model.
David Justin R.
Mandal Gautam
Wadia Spenta R.
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