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Construction and enlargement of dilatonic wormholes by impulsive radiation
Hiroko Koyama, Sean A. Hayward, Sung-Won Kim
The dynamical behavior of traversable wormholes and black holes under impulsive radiation is studied in an exactly soluble dilaton gravity model. Simple solutions are presented whe…
Fate of the first traversible wormhole: black-hole collapse or inflationary expansion
Hisa-aki Shinkai, Sean A. Hayward
We study numerically the stability of Morris & Thorne's first traversible wormhole, shown previously by Ellis to be a solution for a massless ghost Klein-Gordon field. Our code use…
Black holes and traversible wormholes: a synthesis
Sean A. Hayward
A unified framework for black holes and traversible wormholes is described, where both are locally defined by outer trapping horizons, two-way traversible for wormholes and one-way…
Wormholes supported by pure ghost radiation
Sean A. Hayward
Traversible wormhole space-times are found as static, spherically symmetric solutions to the Einstein equations with ingoing and outgoing pure ghost radiation, i.e. pure radiation…