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Are There Reasons to Believe in a Multiverse?

The Joy of Why

CHAPTER

The Fine-Tuning of the Multiverse

The two parameters in the standard model that invoke ideas of a multiverse are the mass of the Higgs, but also the cosmological constant. So far, we've been focusing on this fine-tuning kind of motivation for the idea of the multiverse. But I'm wondering, does something like eternal inflation or bubble universes popping out through an inflationary cosmology sort of scenario? Is that another kind of argument for a multiverse? Yeah. In some sense, it's the easiest way to spit out a multiverse assuming that it makes sense.

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