Amit Giveon et al JHEP08(2004)014 doi:10.1088/1126-6708/2004/08/014
Amit Giveon1, Barak Kol1, Amit Sever1 and Amos Ori2
Show affiliationsCertain time-like singularities are shown to be resolved already in classical General Relativity once one passes from particle probes to scalar waves. The time evolution can be defined uniquely and some general conditions for that are formulated. The Reissner-Nordström singularity allows for communication through the singularity and can be termed ``beam splitter'' since the transmission probability of a suitably prepared high energy wave packet is 25%. The high frequency dependence of the cross section is ω−4/3. However, smooth geometries arbitrarily close to the singular one require a finite amount of negative energy matter. The negative-mass Schwarzschild has a qualitatively different resolution interpreted to be fully reflecting. These 4d results are similar to the 2d black hole and are generalized to an arbitrary dimension
E-print Number: hep-th/0401209
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Issue 08 (August 2004)
Received 29 June 2004, accepted for publication 4 August 2004
Published 15 September 2004
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