04.04.2013 Views

New probes of initial state of quantum fluctuations during inflation

New probes of initial state of quantum fluctuations during inflation

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Galaxy clustering modified<br />

by the squeezed limit<br />

• The existence <strong>of</strong> long-wavelength ζ changes the smallscale<br />

power <strong>of</strong> δm.<br />

• A positive long-wavelength ζ -> more power<br />

on small scales.<br />

• More power on small scales -> more galaxies formed.<br />

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