Discussion on applying tortoise coordinates to a dynamical Vaidya black hole | Zendy

Lu Peng-Ju | Zendy; ZHAO ZHENG | Zendy; Wenbiao Liu | Zendy

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Discussion on applying tortoise coordinates to a dynamical Vaidya black hole

Author(s) -

Lu Peng-Ju,

ZHAO ZHENG,

Wenbiao Liu

Publication year - 2012

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.61.050401

Subject(s) - physics , black hole (networking) , divergence (linguistics) , event horizon , horizon , tortoise , space (punctuation) , classical mechanics , coordinate space , mathematical physics , event (particle physics) , quantum mechanics , computer science , mathematics , geometry , routing protocol , biology , link state routing protocol , computer network , paleontology , linguistics , philosophy , routing (electronic design automation) , astronomy , operating system

Applying generalized tortoise coordinates with undetermined parameters to a dynamical Vaidya black hole, we find the interesting condition for reducing the wave function into its standard form without divergence. It is shown that the Damour-Ruffini method with tortoise coordinate can be applied only to the event horizon rather than the apparent horizon in a dynamical space time.

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