Abstract
The notion of black hole singularity and the proof of the singularity theorem were considered great successes in classical general relativity whereas they meanwhile brought with deep puzzles. Conceptual challenges were set up by the intractability of the singularity. The existence of black hole horizons which cover up the black hole interior including the singularity from outside observers, builds an information curtain, further hindering physicists from understanding the nature of the singularity and the interior structure of black holes. The regular black hole is a concept produced out of multiple attempts of establishing a tractable and understandable interior structure for black holes as well as avoiding the singularity behind the black hole horizon. The practicality of the new constructions of black holes would be considered more reliable if there can be found some connection between the interior of regular black holes and some far-reaching signals released from the black hole. After studying the Hawking radiation by fermion tunnelling from one type of regular black hole, structure dependent results were obtained. The result being structure dependent hints the prospects of employing the Hawking radiation as a method to probe into the structure of black holes.
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Authors are grateful to Prof. Anzhong Wang and Drs. V.H. Satheeshkumar, Xinwen Wang, Tao Zhu, Miao Tian and Chikun Ding for useful discussions.
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Deng, Y., Cleaver, G. Hawking Radiation as a Possible Probe for the Interior Structure of Regular Black Holes. Int J Theor Phys 56, 741–750 (2017). https://doi.org/10.1007/s10773-016-3215-4
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DOI: https://doi.org/10.1007/s10773-016-3215-4