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hep-th2024
Instant Cosmology
Nissan Itzhaki, Uri Peleg
Instant Folded Strings (IFSs) are unconventional light strings that emerge when the string coupling increases with time. A particularly intriguing property of IFSs, especially rele…
hep-th2024
When Strings Surprise
N. Itzhaki, U. Peleg
We argue that on-shell excitations with large negative energies are created rapidly when the string coupling increases with time. This does not indicate an inconsistency in string…