- doi:10.1086/156928. Visser, Matt (1998). "Acoustic
black holes: horizons,
ergospheres, and
Hawking radiation".
classical and
Quantum Gravity. 15 (6): 1767–1791...
- The
horizons are at g r r = 0 {\displaystyle g^{\rm {rr}}=0} and the
ergospheres at g t t | | g u u = 0 {\displaystyle g_{\rm {tt}}||g_{\rm {uu}}=0} ...
-
extracted from a
rotating black hole. The
process takes advantage of the
ergosphere – a
region of
spacetime around the
black hole
dragged by its rotation...
-
radiation can
escape normally from the
ergosphere.
Through the
Penrose process,
objects can
emerge from the
ergosphere with more
energy than they entered...
-
rotate with the
black hole; the
region where this
holds is
called the
ergosphere. The
light from
distant sources can
travel around the
event horizon several...
- This can
happen through the
Penrose process inside the
black hole's
ergosphere, in the
volume outside its
event horizon. In some
cases of
energy extraction...
- for the
wormhole and a rotating, superm****ive
black hole (possessing an
ergosphere, as
opposed to a non-rotating
black hole),
Thorne collaborated with Franklin...
-
Event horizons and
ergospheres of a
rotating black hole; the
ringularity is
located at the
equatorial kink of the
inner ergosphere at R=a....
- an
ergosphere outside the
event horizon, in
which spacetime itself begins to rotate, in a
phenomenon known as frame-dragging.
Since the
ergosphere is...
-
types include: The
Cauchy and
Killing horizons. The
photon spheres and
ergospheres of the Kerr solution.
Particle and
cosmological horizons relevant to...
