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In the Parikh and Wilczek’s tunneling framework,Hawking radiation of charged particle in the Gibbons-Maeda dilaton black hole is investigated. When a particle with electromagnetic charge tunnels across the event horizon,energy conservation and electromagnetic charge conservation of the spacetimes are emphasized and the back-reaction effects of the charged particle are considered.The present results show that the tunneling probability is related to the difference of the Benkenstin-Hawking entropy of the black hole.This implies that black hole radiation is consistent with information conservation and the underlying unitary theory.
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Keywords:
- black hole /
- Hawking radiation /
- quantum theory
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