Page time

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search

Page time denotes the time when a black hole has half of its initial entropy or equivalently when the surface area of its event horizon is halved.[1] Sometimes, it may refer to the instance when the entropy of the black hole radiation begins the decrease. It is named after Canadian physicist Don Page.

See also[edit]


  1. ^ Page, Don N. (6 December 1993). "Information in Black Hole Radiation". Physical Review Letters. 71: 3743–3746. arXiv:hep-th/9306083. Bibcode:1993PhRvL..71.3743P. doi:10.1103/PhysRevLett.71.3743. PMID 10055062.