Abstract
Investigations are made about the motion of a radially outward propagating tachyon which is created in the singularity with the white-hole. The problem of confinement or escape of such a tachyon from a white-hole is discussed. It is shown that the confinement or escape of the tachyon depends on the maximum radius of the white-hole and also on a parameterk (defined in the text) associated with the momentum of the tachyon. Also it is shown that when a tachyon escapes it always escapes beofre the white-hole has expanded to half its Schwarzschild radius.
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Dhurandhar, S.V. Tachyon emission from white-holes. Pramana - J. Phys. 8, 133–143 (1977). https://doi.org/10.1007/BF02868063
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DOI: https://doi.org/10.1007/BF02868063