The Entropy of 4D Black Holes and the Enhancon

Abstract

We consider the physics of enhancons as applied to four dimensional black holes which are constructed by wrapping both D-branes and NS-branes on K3. As was recently shown for the five dimensional black holes, the enhancon is crucial in maintaining consistency with the second law of thermodynamics. This is true for both the D-brane and NS-brane sectors of these black holes. In particular NS5-branes in both type IIA and IIB string theory are found to exhibit enhancon physics when wrapped on a K3 manifold.

23 pages. 1 figure. Minor typos corrected. Refs added. To appear in PRD

References in corpus (2)

• Split attractor flows and the spectrum of BPS D-branes on the Quintic
• The Quantum Physics of Black Holes: Results from String Theory

Cited by in corpus (8)

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• Rotating Black Holes, Closed Time-Like Curves, Thermodynamics, and the Enhancon Mechanism
• A new wrinkle on the enhancon
• Moduli Space Metric of N=2 Supersymmetric SU(N) Gauge Theory and the Enhancon
• Properties of non-extremal enhancons
• Enhancon Solutions: Pushing Supergravity to its Limits
• The Heterotic Enhancon
• A substrate for brane shells from $T\bar{T}$