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New probes of initial state of quantum fluctuations during inflation

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Density-ζ Relation<br />

• It is given by the Poisson equation:<br />

ζ<br />

T(k)->1 for k>10 –2 Mpc –1<br />

D(k,z)=1/(1+z) <strong>during</strong> the matter-dominated era<br />

Positive ζk -> positive δm,k!<br />

2<br />

46

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