Daniel Gottesman and John Preskill JHEP03(2004)026 doi:10.1088/1126-6708/2004/03/026
Daniel Gottesman1 and John Preskill2
Show affiliationsHorowitz and Maldacena have suggested that the unitarity of the black hole S-matrix can be reconciled with Hawking's semiclassical arguments if a final-state boundary condition is imposed at the spacelike singularity inside the black hole. We point out that, in this scenario, departures from unitarity can arise due to interactions between the collapsing body and the infalling Hawking radiation inside the event horizon. The amount of information lost when a black hole evaporates depends on the extent to which these interactions are entangling.
E-print Number: hep-th/0311269
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Issue 03 (March 2004)
Received 5 March 2004, accepted for publication 8 March 2004
Published 10 March 2004
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