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1. Basics of Inflationary Cosmology - Berkeley Center for ...

1. Basics of Inflationary Cosmology - Berkeley Center for ...

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What causes inflation?<br />

The condition is satisfied<br />

provided<br />

ä > 0<br />

ρ + 3p < 0<br />

The simplest way <strong>for</strong> this to take place is <strong>for</strong><br />

the Universe to become dominated by the<br />

potential energy <strong>of</strong> a scalar field. In<br />

fundamental physics, such a field describes<br />

spin-zero particles (eg the Higgs).

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