Black shells and naked shells
Pulido W. Quevedo H.
1 November 2021World Scientific
International Journal of Geometric Methods in Modern Physics
2021#18Issue 13
In this paper, we study the collapse of a thin dust shell from the point of view of the horizon dynamics. We identify the critical surfaces at which time and space coordinates interchange their roles and investigate their properties by using the formalism of trapped surfaces. We show the existence of marginally outer trapped surfaces that are associated with the presence of quasi-local horizons. A particular shell configuration that avoids the formation of horizons is interpreted as naked shell.
Black shells , Dynamic horizons , Naked shells
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Departamento de Física, Universidad Nacional de Colombia, Ciudad Universitaria, K.45 No. 26-85, Bogotá D.C, Colombia
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, AP 70543, Ciudad de México, 04510, Mexico
Dipartimento di Fisica and ICRA, Università di Roma sapienza, Roma, I-00185, Italy
Institute of Experimental and Theoretical Physics, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Departamento de Física
Instituto de Ciencias Nucleares
Dipartimento di Fisica and ICRA
Institute of Experimental and Theoretical Physics
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