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Primordial Black Holes and Cosmological Phase Transitions Report ...

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PBHs <strong>and</strong> <strong>Cosmological</strong> <strong>Phase</strong> <strong>Transitions</strong> 180<br />

log 10Βtk<br />

0<br />

-25<br />

-50<br />

-75<br />

-100<br />

-125<br />

-150<br />

-175<br />

n1.30, log 10t1s10<br />

-15 -14 -13 -12 -11 -10 -9 -8<br />

log10 tk<br />

<br />

1 s <br />

Figure 96: The fraction of the universe going into PBHs for a radiation–<br />

dominated universe with a running–tilt power spectrum with n+ =1.30 <strong>and</strong><br />

t+ = 10 −10 s.<br />

log 10Βtk<br />

0<br />

-20<br />

-40<br />

-60<br />

-80<br />

n1.84, log 10t1s4<br />

2 3 4 5 6<br />

log10 tk<br />

<br />

1 s <br />

Figure 97: The fraction of the universe going into PBHs in a radiation–<br />

dominated universe with a running–tilt power spectrum when n+ =1.84 <strong>and</strong><br />

t+ = 10 4 s. Some values go over the ∼ 10 10 M⊙ line (cf. Figure 93).

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