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hep-th2004
Gyrating Strings: A new instability of black strings?
Donald Marolf, Belkis Cabrera Palmer
A thermodynamic argument is presented suggesting that near-extremal spinning D1-D5-P black strings become unstable when their angular momentum exceeds $J_{crit} = {3Q_1Q_5}/2\sqrt{…
hep-th2004
Counting Supertubes
Belkis Cabrera Palmer, Donald Marolf
The quantum states of the supertube are counted by directly quantizing the linearized Born-Infeld action near the round tube. The result is an entropy $S = 2π\sqrt{2 (Q_{D0}Q_{F1}-…