3 papers
hep-th2026
Wavefunction Collapse in String Theory
Nissan Itzhaki
One of the most intriguing proposals for wavefunction collapse is the Diosi Penrose model, in which collapse is driven by stochastic fluctuations of the Newtonian potential. We arg…
gr-qc2025
Instant Folded Strings, Dark Energy and a Cyclic Bouncing Universe
Nissan Itzhaki, Uri Peleg, Paul J. Steinhardt
We present a wholly self-consistent, complete cyclic bouncing cosmology based on components drawn from string theory and constructed in a way that is under perturbative control thr…
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…