Warm Inflation

The puzzle of cosmological initial conditions:

DT/T < 10-5 in CMB without causal contact

The inflation solution (1981 + ):

Causally

Disconnected

COBE

R(t)

t

Accelerated expansion

implies r + 3p < 0

How to get this from high-energy physics?

Accelerated

expansion

Inflation

standard big bang

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