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During inflation,
mass-energy
is created by the
p dV work of
expansion,
with negative
pressure.
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In a black hole,
mass-energy is created by
p dV work of
collapse,
with positive
pressure.
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Matter accreted by black hole compresses
from interstellar to Planck density,
a factor of
~ 10100.
The temperature, hence total energy, increases by
(10100)1/4 = 1025.
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For example,
the energy created inside the Milky Way supermassive black hole is
1025 × 5×106 Msun
~
105 Muniverse.
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That's a lot of Planck masses,
each of which might be the seed of a new universe.
Even if the vast majority fail,
could some succeed?
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“Graceful entrance” challenge:
Can collapsing material not only bounce,
but enter an inflationary state?
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