Black hole singularities: a new critical phenomenon

Details Black hole singularities: a new critical phenomenon Black hole singularities: a new critical phenomenon

Oct 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..4cf.aa003b&link_type=abstract

American Physical Society, Four Corners Meeting 2002, October 4-5, 2002 University of Utah, Salt Lake City, Utah, MEETING ID: 4C

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The singularitiy inside a spherical charged black hole, coupled to a spherical, massless scalar field is studied numerically. The profile of the characteristic scalar field is a power of advanced time with an exponent A>0. A critical exponet A* exists. For exponents below the critical one (A < A*) the singularity is a union of spacelike and null sectors, as is also the case for data with compact support. For exponents greater than the critical one (A > A*) an all-encompassing, spacelike singualrity evolves, which completely blocks the ``tunnel'' inside the black hole, preventing the use of the black hole as a portal to other universes.

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