Can an evolving Universe host a static event horizon?

Aharon Davidson, Shimon Rubin, Yosef Verbin

Research output: Contribution to journalArticlepeer-review


We prove the existence of general relativistic perfect fluid black hole solutions, and demonstrate the phenomenon for the P=wρ class of equations of state. While admitting a local timelike Killing vector on the event horizon itself, the various black hole configurations are necessarily time dependent (thereby avoiding a well known no-go theorem) away from the horizon. Consistently, Hawking's imaginary time periodicity is globally manifest on the entire spacetime manifold.

Original languageEnglish
Article number104061
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number10
StatePublished - 27 Nov 2012


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