Birth of the Universe from the Landscape of String Theory
Archil Kobakhidze, Laura Mersini-Houghton

TL;DR
This paper predicts a unique, stable wavefunction for the universe with a small cosmological constant from string theory's landscape, without using the anthropic principle, by analyzing tunneling and supersymmetry breaking in moduli space.
Contribution
It introduces a novel approach to derive the universe's wavefunction and cosmological constant from string theory landscape without anthropic reasoning, highlighting tunneling effects and supersymmetry breaking.
Findings
Predicted a small cosmological constant $oxed{ ext{~}(rac{ ext{pi}}{l_p N})^2}$.
Identified a discrete spectrum of bound states with energies $oxed{ ext{~}(rac{s ext{pi}}{l_p N})^2}$.
Demonstrated spontaneous supersymmetry breaking due to bound states.
Abstract
We show that a unique, most probable and stable solution for the wavefunction of the universe, with a very small cosmological constant , can be predicted from the supersymmetric minisuperspace with vacua, of the landscape of string theory without reffering to the antropic principle. Due to the nearest neighbor tunneling in moduli space lattice, the -fold degeneracy of vacua is lifted and a discrete spectrum of bound state levels over the whole minisuperspace emerges. is spontaneously broken by these bound states, with discrete nonzero energy levels , .
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