Draining Without Emptying a Stringy Black Hole: Repetitive Electric Penrose Process

Huai-Fan Li, Xiong-Ying Guo, Ke Wang +1

This paper studies the repetitive electric Penrose process in the Gibbons-Maeda-Garfinkle-Horowitz-Strominger (GMGHS) black hole under the optimal condition for maximum energy extr…