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Bubble Nucleation and Eternal Inflation - cosmo 06

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Slow-Roll <strong>Eternal</strong> <strong>Inflation</strong><br />

Driven by large V or small V’:<br />

Condition for eternal inflation:<br />

V<br />

m 2 pV ′2/3 > 1<br />

Jump in a Hubble volume over a Hubble time:<br />

(Coarse-graining)<br />

δφ = H 2π

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