Phys. Rev. D 48, 1607–1615 (1993)Wormhole as a device for studying a black hole’s interiorReceived 26 January 1993; published in the issue dated 15 August 1993 It is shown that by using a traversable wormhole one can get information from a black hole’s interior. The change of a black hole’s geometry in the presence of a wormhole falling into it is analyzed. The causal structure and the properties of the event horizon of a Schwarzschild spacetime with a wormhole are considered. Information and energy extraction from the interior of a black hole by using a wormhole is discussed. © 1993 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.48.1607
DOI:
10.1103/PhysRevD.48.1607
PACS:
04.20.Cv, 97.60.Lf
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