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Astronomy and Cosmology
Cosmology
Vacuum energy density after inflation
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[QUOTE="Haelfix, post: 5484969, member: 4167"] In principle after vacuum decay, the behaviour of many of the constants in nature could be altered. It's a tiny bit involved, but a fundamental scalar could couple, almost like the interaction of the Higgs field does. The latter contributes to both gauge bosons, as well as fermions, so many properties of the surrounding universe would be radically different, depending on the details of the new vacuum. String theory is something else, although a similar mechanism could exist within that framework as well. Many of the stringy models produce lots of new scalar fields (called Moduli), and the same sort of thing in principle could happen there. The sketch of the phenomenon is really quite simple to describe mathematically, and similar things happen all over physics (for instance in condensed matter systems undergoing phase transitions) which is why its not completely crazy, and the details are very closely tied in with the mathematics of inflation. [/QUOTE]
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Astronomy and Cosmology
Cosmology
Vacuum energy density after inflation
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