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Comparison of the Spatial Properties of Entrances to Black Holes and Wormholes

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Abstract

The spatial properties of the entrances to spherically symmetric black holes and wormholes with zero and positive masses are compared. The properties were studied in terms of bulk and brane. The explicit expressions for the entrances are found and it is shown that in both representations the spatial funnels of the entrances to the wormholes are the steepest for the Schwarzschild black holes, and the least steep for the wormholes with zero mass.

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ACKNOWLEDGMENTS

S.R. thanks R.E. Beresneva, O.N. Sumenkova, and O.A. Kosareva for the opportunity to work fruitfully on this problem.

Funding

This activity has been partially supported by the KP19-270 RAS program “Issues of the Origin and Evolution of the Universe Using the Methods of Ground-Based Observations and Space Research”.

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Authors and Affiliations

  1. Lebedev Physical Institute of RAS, AstroSpace Center, Moscow, Russia

    I. D. Novikov & S. V. Repin

  2. The Niels Bohr International Academy, The Niels Bohr Institute, Copenhagen, Denmark

    I. D. Novikov

  3. National Research Center Kurchatov Institute, Moscow, Russia

    I. D. Novikov

Authors
  1. I. D. Novikov
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  2. S. V. Repin
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Correspondence to S. V. Repin.

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Novikov, I.D., Repin, S.V. Comparison of the Spatial Properties of Entrances to Black Holes and Wormholes. Astron. Rep. 65, 1–7 (2021). https://doi.org/10.1134/S1063772920330021

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  • DOI: https://doi.org/10.1134/S1063772920330021

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