The Inflationary universe
(1981: long before vacuum energy
was proved to exist
today)
What if the vacuum density was much higher in the past?
(needs 10
80
kg m
-3
to dominate at the GUT era (10
-26
today)
Antigravity can blow a big bubble from a subatomic patch,
growing faster than light
X > e
60
ct at GUT era
= 10
-26
m
us at GUT
era (1 cm)