Emission from the D1D5 CFT: Higher Twists
Steven G. Avery, Borun D. Chowdhury
TL;DR
This paper computes the emission spectrum from nonextremal D1D5 geometries using CFT methods and finds exact agreement with gravity calculations, advancing understanding of black hole microstates and radiation.
Contribution
It provides a complete CFT derivation of the emission spectrum for nonextremal D1D5 geometries, extending previous partial results.
Findings
Exact match between CFT and gravity emission spectra
Complete spectrum and rate of ergoregion emission calculated
Supports the microstate geometry approach to black hole radiation
Abstract
We study a certain class of nonextremal D1D5 geometries and their ergoregion emission. Using a detailed CFT computation and the formalism developed in arXiv:0906.2015 [hep-th], we compute the full spectrum and rate of emission from the geometries and find exact agreement with the gravity answer. Previously, only part of the spectrum had been reproduced using a CFT description. We close with a discussion of the context and significance of the calculation.
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